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Experience high-quality sound with Sanag B21S wireless earphones. Using true bone conduction and AAC technology, these earphones provide powerful bass and crystal-clear audio. Perfect for sports and running, they are designed to stay in place while you move. Upgrade your listening experience with Sanag B21S.
Stable Hanging Ear Design
- The hanging ear design provides a secure fit, ensuring the earphones stay in place during intense activities.
- Delivering sound through the skull for a comfortable, non-invasive listening experience. The memory alloy skeleton can be adjusted arbitrarily
- The bending can be restored to the beginning Bluetooth 5.4
- the headset ensures stable and fast connections, enhancing your audio experience
About this item
- Dustproof and waterproof: itch dustproof and waterproof ability, adapt to a variety of outdoor environments, sports protection performance is excellent
- Bone conduction technology :he use of true bone conduction, the sound is transmitted through the skull, to avoid the discomfort of wearing traditional headphones, suitable for long-time sports wear.
- Stable wearing :Hanging ear design ensures that the headphones are stable and do not fall off during strenuous exercise, more convenient to use, and provide stable music companion for sports.
- Bluetooth 5.4 Connection :Equipped with Bluetooth 5.4 technology, stable and fast connection, efficient data transmission, smooth audio experience, not easy to disconnect and lag.
- Extra-long battery life:A single charge can support several hours of use, without frequent charging, to meet the needs of long-time sports, outdoor travel and other uses.
- Plug Type : None Resistance : 8
- Waterproof : Yes Weight[g] : 22
- Magnet Type : other Material : Plastic
- Is wireless : Yes Line Length : 30
- Width[mm] : 108 Battery Life :10H
- Max Output : 0.5 Height[mm] : 126
- Style : Neckband Support APP : Yes
- Connectors : Type c Control Button : Yes
- Driver Diameter : 13 Earcups Type : Sealed
- Sensitivity : 84.5 Sound Isolating : YES
- NFC Technology : No Number Of Drivers : 2
- Volume Control : Yes Charging Port : Type-C
- Waterproof : IPX5 Audio Codec : A
- With Microphone : Yes
- Wireless Type : bluetooth
- Charging Method : cable
- Voice assistant built-in : No
- Battery Earphone : 155mAh
- Frequency Range :20-20KHz
- Battery Capacity[mAh] : 155
- Earphone Playtime : 10Hours
- Battery life up to[hours] : 10
- Total Harmonic Distortion : 5
- Hign-concerned Chemical : None
- Transmission Distance : Up to 10M
- Headphone Pads Material : Silicone
- Category : Earphones & Headphones
- Earbud Dimensions : 126*108*45mm
- Maximum wireless range[m] : <10m
- Vocalism Principle : Bone Conduction
- Sport Earbuds : Bluetooth Headphones
- Features : waterproof,With microphone
- Frequency Response Range : 20 - 20000
- Wireless Profile : HFP/HSP/AVRCP/A2DP
- Package List : User Manual,Charging case
- Earphone Charging Time : about 1.2Hours
- Wireless Headphones : Wireless Earphones
- Model : B21S Bone Conduction Headphones
- Bone Conduction : Wireless Bluetooth Headphones
- Function : For Internet Bar,Monitor Headphone,for Video Game,for Flying,Common Headphone,for Hunting & Shooting,For Mobile Phone,for Powersports,HiFi Headphone,Sport,For Hearing Aid,For Outdoor,For Office,For Sleep,For DJ,For Study
Pairs well with

Sanag B21S Sport Earbuds Running
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Pure Acoustic Perfection
Experience pure acoustic perfection with
our headphones. They deliver an extraordinary depth of sound, unveiling nuances you’ve never heard before. Every whisper, every note, is elevated to provide an intimate concert-like experience. These meticulously designed headphones redefine premium sound quality.


Advanced Audio Engineering
Experience your music like never beforewith our advanced audio engineering. Custom 40 mm drivers and powerful neodymium magnets provide impeccable sound clarity. Enjoy every detail with adjustable noise cancellation and ultra-sensitive microphones.


Seamless Audio Experience
Experience the perfect blend of engaging podcasts, clear conversations, and your favorite tunes-all without external noise disruptions. Looking for headphones that excel in both comfort and versatility?
Tech Specs
Sound
Style: Over the EarVocalism Principle: DynamicMaterial: PlasticHign-concerned Chemical: NoneCommunication: Wireless+WiredVolume Control: YesCategory: Earphones & HeadphonesCertification: CECertification: FCCCertification: RoHSCertification: weeeNumber Of Drivers: 2Plug Type: Line TypeImpedance Range: up to 32 ΩHeadphone Pads Material: Memory FoamActive Noise-Cancellation: YesSupport Memory Card: NoWaterproof: NoFrequency Response Range: 20 - 400000Magnet Type: NeodymiumWireless Type: bluetoothLine Length: 1.2Package List: User ManualPackage List: Carrying BagPackage List: Charging CablePackage List: Detachable Audio CableControl Button: Yes
Design
Feature 1: Active Noise Canceling Headphones Wireless
Feature 2: -35dB ANC Bluetooth 5.0 Wireless Headphones
Feature 3: Foldable Wireless Headset Handsfree Call
Feature 4: Sports Over Ear Wireless Headphones
Feature 5: Portable Stereo Wireless Earphone For iPhone Xiaomi Mobile Phone
Feature 6: Rich Bass Wireless Headphones With Microphone
Battery
Battery Capacity: 800mAh Li-polymer battery
Charging Time: About 2hours
Working Time1: About 40hours (ANC+BT)
Working Time2: About 50hours (BT only)
Working Time3: About 62hours (ANC only)
Sound Isolating: YES
Connectivity
Brand Name: Goldener Oneodio
Style: Over the Ear
Vocalism Principle: Dynamic
Material: Plastic
Hign-concerned Chemical: None
Communication: Wireless+Wired
Volume Control: Yes
Category: Earphones & Headphones
Certification: CE
Certification: FCC
Certification: RoHS
Certification: weee
Number Of Drivers: 2
Plug Type: Line Type
Impedance Range: up to 32 Ω
Headphone Pads Material: Memory Foam
Active Noise-Cancellation: Yes
Support Memory Card: No
Waterproof: No
Frequency Response Range: 20 - 400000
Magnet Type: Neodymium
Wireless Type: bluetooth
Line Length: 1.2
Package List: User Manual
Package List: Carrying Bag
Package List: Charging Cable
Package List: Detachable Audio Cable
Control Button: Yes
FAQs
Please read our FAQs page to find out more.
What is the audio quality like? Are the headphones suitable for different genres of music?
Our headphones offer seamless wireless connectivity with Bluetooth 5.0,
ensuring a stable and long-range connection. They are also equipped with NFC
for easy pairing.
Are the headphones comfortable for long periods of use? What kind of padding or ear cushions do they have?
Built with high-quality materials, our headphones are designed to
withstand daily wear and tear. They are also sweat and water-resistant, making
them ideal for workouts and outdoor activities.
How long does the battery last on a single charge? Is there aquick-charge feature?
- Enjoy up to 25 hours of uninterrupted listening on a single charge.
The headphones also come with a quick-charge feature, providing 2 hours of
playback with just a 10-minute charge.
Are the headphones compatible with multiple devices (smartphones,tablets, computers)?
-
Our headphones are compatible with a wide range of devices, including
smartphones, tablets, and computers. They support both iOS and Android
operating systems.
Are the headphones wired or wireless? If wireless, what is the range andconnectivity quality (Bluetooth, NFC, etc.)?
-
Our headphones offer seamless wireless connectivity with Bluetooth 5.4,
ensuring a stable and long-range connection. They are also equipped with NFC
for easy pairing.