These Bone Conduction Headphones Surprised Me! Sanag B21S Review!

Dem Crumblies Tech

The Sanag B21S Bone Conduction headphones offer outstanding battery life at over 10 hours and day long comfort thanks to its lightweight design.  ☑️ Buy Sanag B21S Bone Conduction Headphones: https://geni.us/sb21s  ➡️➡️Save with AliExpress' 618 sale until June 25th, 2025! ➡️➡️Platform discount 618 store discount codes ➡️US $15–$2   SS0602 ➡️US $139–$20  SS0620 ➡️US $439–$60  SS0660 ➡️US $29–$4   SS0604 ➡️US $279–$40  SS0640 ➡️US $69–$10   SS0610 ➡️US $349–$50  SS0650  ** Please note that some of the links in my video descriptions are affiliate links where I earn from qualifying purchases. As an Amazon Associate I earn from qualifying purchases. **  // Social Links ✅ TikTok - https://www.tiktok.com/@demcrumbliestech ✅ Facebook - https://www.facebook.com/demcrumblies... ✅ Instagram - https://www.instagram.com/dem_crumbli... ✅ Twitter - https://twitter.com/demcrumblies​ ✅ Website - https://demcrumbliesreviews.com/​ ✅ BuyMeACoffee: https://www.buymeacoffee.com/dctech  // GEAR // ✅ CAMERA: Sony A7iii: https://geni.us/BnAjj​​ ✅ Favourite Lens: Sony 24 -105 F4 G: https://geni.us/hQWRARJ​​ ✅ YouTube Lens: Sigma 14 - 24 F2.8: https://geni.us/AWcVQwI​​ ✅ Portrait Lens: Sony 85 F1.8 : https://geni.us/wzJfzjD​​ ✅ Gets NO love Lens: Sony 50 F1.8: https://geni.us/BuaE​​  // ACCESSORIES // ✅ Desview R7P / Plus Camera Monitor: https://geni.us/gyMU688​​ ✅ Synco M3 On Camera Microphone: https://geni.us/e1Wzto​​ ✅ Rode Wireless Go Off Camera Microphone: https://geni.us/qa7cTQb​​ ✅ Falcon Eyes Main Video Light: https://geni.us/KsvGqT​​ ✅ Pixel G1s RGB Light: https://geni.us/ErKM​​ ✅ Extension Tubes For Macro Shots: https://geni.us/pyWsnv3​​ ✅ SanDisk Memory Cards: https://geni.us/pdIuW​​ ✅ Manfrotto Tri Camera Bag: https://geni.us/f95V​​ ✅ Logitech MX Master 3 Mouse: https://geni.us/stv9F5​​ ✅ Samsung T5 SSD: https://geni.us/oD6lG2​​  // Business Inquiries: reviews@demcrumbliesreviews.com  #sanag #SanagB21S #boneconnectionsHeadphones #Headset #openear #dctyt #boneconduction #headphones    TIMESTAMPS 0:00 - Intro 0:31 - Package Contents 0:43 - Design 2:09 - Specs 2:13 - Bluetooth Pairing 2:44 - App Settings 4:17 - Button Controls 4:56 - Sound 7:29 - Battery 7:55 - Sound Leak Test 8:17 - Mic 8:52 - Comfort 9:43 - Recommended?

Transcript

00:00Hey it's Adrian and if you've been curious or interested in bone conduction headphones but you

00:05don't want to spend too much you have to check out these Senag B21s bone connection headphones.

00:10They're extremely lightweight and comfortable, they have an IPX5 rating for wet conditions,

00:15really long battery life over 10 hours, 13 millimeter drivers, a 33 feet or 10 meter range,

00:21and actually pretty decent sound quality especially for bone conducting headphones. So let's take a

00:26closer look to see if these could be your very next pair and a big thanks to Senag for setting

00:30these up for review. In the box we have the Senag B21s bone conduction headphones along with a manual

00:38QR code to download the app and a USB Type-A to Type-C charging cable. And this is what the B21s

00:45bone conduction headphones look like. Now this is extremely lightweight, only coming in at around

00:5121 grams so you'll barely know or feel like it's there. And for the most part it's an all plastic

00:57build that's why it's so lightweight. And then we actually have this kind of memory wire in the

01:02back here so it's a titanium alloy memory band to retain the shape. So you can see I can just go ahead

01:08and curve it and it's just going to snap right back into place. So you can basically twist this any

01:13which way you want. There's physical buttons to actually change the volume up and down or to skip

01:18and advanced tracks and these have tactile button press. Next to the buttons we have the USB Type-C

01:24charging port that's covered with a rubber type of seal so if I remove that out of the way we have

01:30the USB Type-C charging port so you can use any type of charging cable. And then just make sure you

01:34actually close this back because this does have an IPX5 rating meaning you'll be able to use this you

01:40know for workouts whether you're sweating in the rain without any type of issues. On the other side we

01:45have the Senag logo and then we have the headphone units themselves. So there's a 13 millimeter driver

01:51in each of these and if we take a look at the inside here there's this very soft silicone type

01:56of pad let me do a side view and this is what's going to actually rest against your skin so this

02:01should be very comfortable and I'll let you know how comfortable it is. There's a 160 milliamp hour

02:06battery on here which is rated for up to 10 hours of playtime. Here's a quick look at the specs feel

02:11free to pause or jump ahead to the next section. To pair the headphones to your phone you'll press and

02:16hold the volume up button which also doubles as the power button so hold it for about three seconds

02:21and you should see this flashing LED indicator like right there. I'll hit scan on my phone and I'll wait

02:27for it to pop up here so it'll be the Senag B21s and I could see it right there so B21s

02:34hit pair

02:40so it's now connected for calls and audio and it's fully charged at 100%. I've added the Senaga headphones

02:47to the app after pairing it by bluetooth so I can see it's at 97% battery life. I'll just tap into

02:53to see the full settings so there we go again so 97% battery. From here we can also change the volume up

02:59or down advanced tracks play pause and then we have some equalizer settings here so you can go rock,

03:05ultrasonic, pop, classic, lyric, soft. So there's no options for custom EQs but you do have preset ones

03:11and there doesn't seem to be a way to remap any of these so it's pretty much hard coded. A couple

03:17neat things to note is if you go in the sleep tab you can just kind of have this background ambient noise

03:23playing you know just have something nice and relaxing if you want to de-stress. There's also an AI

03:28tab right here and then you could just chat with the AI it uses various models but if I use say this

03:34intelligent voice chat here what is 21 celsius to fahrenheit?

03:44So when I use this feature it actually provides me the answer in Mandarin you guys can't hear that

03:50but it's not in English now if I use the chat here then it does provide the answers in English

03:57so you know that's something that you know may be a kind of a beta feature it does say it's new.

04:03Now if I go under my profile and I go under language settings it is currently set to English these are

04:09the other languages so yeah the AI thing is not something I'm going to see myself using a lot anyway

04:15but it is there if you want to play around. The button controls are really easy to use so if I do a quick

04:20press on volume down it's going to decrease the volume just like so and then pressing volume up will just

04:25increase it. Now if I long press on the volume down it's going to go to the previous track

04:31and then if I go ahead and long press on volume up it's going to go ahead to the next track. Now if

04:37you ever want to pause and resume playback you would just double click on the plus icon just like so to

04:44pause or resume playback and you can only do that on the plus one not the minus and then whenever you want

04:49to turn the headphones off completely you would just press and hold for a little bit of time and

04:54then it's just going to power them off completely. All right let's talk about sound now these are my

04:58first bone connection headphones and I really didn't expect these to sound as good as they do. So they

05:04have 13 millimeter drivers and we have the AAC and SBC codecs so none of the really high-res codecs. However

05:12if you have the correct expectations meaning you know you're prioritizing comfort and you know kind of

05:16fitment long battery life then the sound that these provide is actually pretty good. So I mostly use

05:22the SSQVP equalizer which is the default equalizer in the Sanag app and then there's an ultrasonic pop

05:29equalizer. So I went between those two and I kind of prefer the ultrasonic pop equalizer. It was just

05:34the best bounce. The other equalizers I found that anytime there was you know a lot of bass in a song

05:39it would actually vibrate enough where it was kind of like a disconcerting feeling. I didn't like the

05:43feeling of the vibration but ultrasonic pop EQ and the SSQVP EQs sounded really good without you know

05:51kind of taking me out of the listening experience. So vocals actually came through really nice and

05:56really clear on these and I really didn't feel like I was missing out on much and if I compare them to

06:01the open style earbuds that kind of clip onto your ear these are not that far behind and I actually wore

06:07these for you know long parts of the day thanks to the long battery life and I really didn't feel like

06:11hey you know I should switch to something with better audio fidelity like this was perfectly fine

06:16just for the convenience and comfort. Now the area where you may feel these are lacking a bit especially

06:21if you don't use some of the other equalizers is bass. Yes you can feel that there's bass in the song

06:26you can feel it come through but the fact that it actually kind of vibrates or rattles a little bit

06:32when that comes on I really couldn't get used to that feeling which is why I stuck to the previous two

06:37equalizers so I would say the bass performance is you know average when using those EQs but if you

06:42can handle you know the kind of vibration yes you can feel the bass more prominently. So yeah you're

06:48not going to get the highest audio fidelity but if you have correct expectations I think you'll be

06:53plenty happy with the sound coming out of these and because it's not in your ear canal there's no

06:57ear canal fatigue you don't feel like anything is stretched out and you'll always be aware of your

07:01surroundings especially in situations where that really matters. Now I do like to listen to music

07:06really loud maybe louder than a lot of other people and if I crank these to the loudest volume

07:11they get loud but if you're in a very noisy environment you're going to hear what's coming

07:15through on the headphones plus whatever's there you know kind of ambient noise because your ear

07:20canal is not you know blocked or occluded in any way it's just completely open so you're kind of

07:25getting you know both worlds whatever you're listening to plus whatever's going on just something

07:29to be mindful of. The battery life on these is rated for up to 10 hours now I'm not sure

07:34based on what volume level but when I listen to these I'm usually working indoors I listen at around

07:40you know say 50 volume and I easily surpassed the 10 hour mark like I was getting close to you know

07:4615 16 hours so battery life phenomenal on these and whenever the battery life does go down it's only

07:52like a little over an hour to fully charge these back up so in environments like you know a busy

08:05coffee shop or a restaurant these are really not going to be heard by most people even if you listen

08:10at 70 to 80 percent I would say but if you're in a very quiet place like a library yeah probably just

08:15keep it around you know 50 60 percent here's an example of what audio sounds like from the

08:20microphones on the Senac B21s phone connection headphones I'm in a very quiet room with basically

08:27no ambient noise I'm not going to play simulated background noise from a busy coffee shop to see

08:31how well the microphones handle it here's an example of what audio sounds like from the microphone on

08:38the Senac B21s phone connection headphones in a very noisy environment so these do a fantastic job

08:45canceling out a lot of background noise and I've used these on a handful of calls and I didn't have

08:49any issues with you know the voice sounding far away or distorted now comfort is where these really

08:54shine so you could wear these with glasses on like I am right now and there's no problems at all

08:59these are easily all-day wear headphones they're very lightweight coming in at only around 21 grams

09:05which is impressive the other benefit I noticed with these is like if I was to wear earbuds and I lay

09:10down on my side you know the earbuds push into your ear canal it's very uncomfortable you're kind

09:15of rotating your head at an angle with these if I lay down on the side because it's so flat against my

09:20face it's really not very uncomfortable like I can actually lay down on the side watch something

09:25on my phone no problem the only thing is if you lay you know like on your back you know stomach

09:30side up then the band is just gonna push forward that's something you can't really get away from

09:35but the earbuds would get rid of that problem so you kind of have to decide if you're someone who's

09:40normally on your side these are perfect if you're on your back not so perfect so yeah the Sanag b21s

09:46bone connection headphones have been seriously impressive I didn't expect to like these as much

09:51as I do now I've reviewed a bunch of traditional earbuds you know the open saw clip style the in-ear canal

09:57ones these are definitely the most comfortable of course due to the fitment the design and these also

10:02have amazing battery life on them and again because I kind of lay down on my sides in bed

10:07these just press really nicely against there they're not pressing into my air canal they're

10:11just super comfortable and if you have the right expectations knowing that yes these are not sitting

10:16in your air canal so you're gonna hear the outside world and that awareness sometimes really matters

10:20you know I see people driving with earbuds in their ear like if they have ANC how would you hear if there's

10:25like an ambulance or something these you can actually listen to music and be fully aware of your

10:30surroundings and the trade-off like in terms of the sound quality that's an easy trade-off to make

10:34it sounds pretty good so if you're interested in picking up the Sanag b21s bone connection headphones

10:41I'm gonna leave links down below and it also comes in other colors as well however if you think you'd

10:45like something a little bit more traditional check out this playlist here or whatever video is linked

10:50here because I review a bunch of other earbuds headphones whether it's you know clip-on style semi in-ear

10:55full in-ear I'm sure you'll find something you like I have a huge favor to ask if you found this

11:00video helpful would you mind liking and subscribing it really does help me out quite a bit as a small

11:05growing channel and I really do appreciate it and maybe consider checking out some of my other tech

11:09reviews aside from headphones and earbuds I'll review mechanical keyboards laptops monitors mice

11:15really something for everyone and I really hope you'll join me in my next video soon

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