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Sanag B21S True Bone Conduction Audífonos Bluetooth Earphones Flash-sale HiFi Sound Headphones Choice Earbuds Wireless Headset

(10 customer reviews)
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Original price was: 31.70$.Current price is: 27.95$.

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SKU: 1005007275303308 Category:

1. Open-ear design

This design avoids the discomfort and potential hearing damage associated with traditional in-ear headphones. Additionally, since sound is transmitted through the skull, it reduces eardrum damage, enhances wearing comfort, and is suitable for sports, as it allows users to enjoy music while remaining aware of their surroundings.

2. Bone conduction technology

Utilizes true bone conduction technology, which uses high-frequency, low-density vibrations to produce pleasant sounds through the ear bones.These sounds are then directed into the ear canal via air, eliminating the discomfort associated with traditional earbuds and ensuring safer, healthier sound transmission.

3. Comfortable and breathable even after prolonged use

The ear-hook design ensures the headphones stay securely in place during intense physical activity, minimizing the risk of them falling off, and offering greater convenience, making them a reliable music companion for workouts.

4. Bluetooth 5.4 connectivity

Equipped with Bluetooth 5.4 technology, the earbuds offer stable and fast connections, efficient data transmission, smooth audio quality, and minimal disconnections or lag.

5. Ultra-long battery life

A single charge provides hours of use, eliminating the need for frequent recharging, and meets the demands of extended workouts, outdoor adventures, and other extended use scenarios.

Specification: Sanag B21S True Bone Conduction Audífonos Bluetooth Earphones Flash-sale HiFi Sound Headphones Choice Earbuds Wireless Headset

Color

Blue, black

Bluetooth Version

Other

Width[mm]

108

Depth[mm]

126

Weight[g]

210

Height[mm]

5

Battery Capacity[mAh]

160

Battery life up to[hours]

10

Voice assistant built-in

No

Maximum wireless range[m]

<10m

Sound Isolating

No

Category

Earphones & Headphones

NFC Technology

No

Earcups Type

Sealed

Max Output

0.5mW

Number Of Drivers

2

Charging Method

cable

Headphone Pads Material

Silicone

Magnet Type

Other

Driver Diameter

13mm

Total Harmonic Distortion

5%

Impedance Range

up to 32 Ω

Material

Plastic

High-concerned chemical

None

Active Noise-Cancellation

No

Volume Control

Yes

With Microphone

Yes

Is wireless

Yes

Support APP

Yes

Waterproof

No

Line Length

30m

Frequency Response Range

20 – 20000Hz

Sensitivity

99dB

Plug Type

None

Function

For Internet Bar,for Video Game,Common Headphone,For Mobile Phone,for Powersports,HiFi Headphone,Sport,For Outdoor,For Office,For DJ,For Study

Features

With microphone

Package List

User Manual,Charging Cable

Control Button

Yes

Vocalism Principle

Bone Conduction

Wireless Type

Bluetooth

Connectors

Type c

Communication

WireLess

Style

Bone conduction headphones

Origin

Mainland China

Brand Name

Sanag

Resistance

8

Codecs

AAC

Support Memory Card

No

10 reviews for Sanag B21S True Bone Conduction Audífonos Bluetooth Earphones Flash-sale HiFi Sound Headphones Choice Earbuds Wireless Headset

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  1. U*****h
    2025-12-22
    Nice item. thank you!
    Helpful? 0 0
    J*****e
    2025-12-22
    They arrived quickly! They look very nice. The sound and microphone are functioning correctly. For the price, they are very good.
    Helpful? 0 0
    R*****w
    2025-12-22
    Very very good thank s
    Helpful? 0 0
    B*****b
    2025-12-22
    The app cannot be installed on my Samsung A35, but the device will work with the Bluetooth.
    The manufacturer does not respond to my email (very bad)
    Helpful? 0 0
    P*****p
    2025-12-22
    Package less than two weeks to receive, the sound quality is particularly good, whether it is the treble, midrange, bass are able to perform very unex...More
    Package less than two weeks to receive, the sound quality is particularly good, whether it is the treble, midrange, bass are able to perform very unexpected, wear a long time ear will not be swollen and painful, the range is also particularly excellent, the texture feel is also very good, cost-effective is really high, recommended!
    Helpful? 0 0
    Aasiyah Haney
    2025-12-22
    This headset experience a week after the feeling is to wear a very solid, high fit, movement is not afraid of falling out, wear senseless, wear a long...More
    This headset experience a week after the feeling is to wear a very solid, high fit, movement is not afraid of falling out, wear senseless, wear a long time head will not be distended, there is no noise phenomenon, no sound leakage at all. Outdoor running or swimming is very useful, you can pay attention to the outside world sound, can let us enjoy the music at the same time attention to safety issues!
    Helpful? 0 0
    Sarina Santos
    2025-12-22
    Received the wrong color. Ordered black received blue. Plastic feels cheap… sounds not bad. Package comes damaged. Package quality can be better.
    Helpful? 0 0
    S*****k
    2025-12-22
    Arrived in 10 days to the US. Packaging was very secure, in fact a bit too tight to open. The headphones feel sleek, lightweight but also comfortable....More
    Arrived in 10 days to the US. Packaging was very secure, in fact a bit too tight to open. The headphones feel sleek, lightweight but also comfortable. After extended use, my head does hurt from the pressure. Charges with USB-C. Audio quality is decent, surprisingly so for this type of earphone. Sound doesn't leak unless you're right next to the ear, and I mean very close. Call quality is sufficient, nothing fantastic. Battery life is very good, only need to charge once every few days.

    Occasionally the audio does drop or the quality will become muted, but this doesn't last long. I am not sure why, as it doesn't have issues pairing with my device. I do not use the app they have for it. Pro: Only plays a small tone when connecting, no robot voice. Con: Could be more comfortable. Price point also isn't much better on AE than elsewhere, but I suppose the quality of this one is slightly better than comparably priced items in the US.
    Helpful? 0 0
    K*****x
    2025-12-22
    Unfortunately not very sexy, very cheap plastic, making it very stiff and uncomfortable to wear. Furthermore, the sound is very clear outside, as litt...More
    Unfortunately not very sexy, very cheap plastic, making it very stiff and uncomfortable to wear. Furthermore, the sound is very clear outside, as little passes through the bone.
    Helpful? 0 0
    U*****g
    2025-12-22
    Unfortunately not very sexy, very cheap plastic, making it very stiff and uncomfortable to wear. Furthermore, the sound is very clear outside, as litt...More
    Unfortunately not very sexy, very cheap plastic, making it very stiff and uncomfortable to wear. Furthermore, the sound is very clear outside, as little passes through the bone.
    Helpful? 0 0

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    Sanag B21S True Bone Conduction Audífonos Bluetooth Earphones Flash-sale HiFi Sound Headphones Choice Earbuds Wireless Headset
    Sanag B21S True Bone Conduction Audífonos Bluetooth Earphones Flash-sale HiFi Sound Headphones Choice Earbuds Wireless Headset

    Original price was: 31.70$.Current price is: 27.95$.

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