R9 Smart Bone Conduction Bluetooth Headphone Wireless Headset Neckband Earphone - Black

• Bone conduction, open binaural, telephone, voice chat 
  

• IPX5 waterproof and sweatproof

• Bluetooth 5.0 BT chip

• Smart voice recognition. Press the side key for 3 seconds for voice-enabled dialing and voice recognizes whoever called

• Built-in 180mAh polymer battery, duration of up to 6 hours

• 3D ear measurement dimensions, exactly pair your ear profile without protrusion, conforming to human engi neering sound piloting structure inclination

• Skin-like soft rubber material and approaching your skin closer

Specifications: 

• Call time: 6 hours 

• Music time: 6 hours 

• Standby time: 10 days 

• Charging time: 2 hours 

• Wearing method: ears hanging 

• Functions: Bluetooth, Microphone, English Voice 

• Tips Type: Wireless 

• Interface: micro USB 

• Wireless Response frequency: 20 hz-20 kHz 

• Impedance: 8 ohms 

• Sensitivity: 88 dBm 

• Bluetooth version: 5.0 

• Bluetooth Distance: 10 meters 

• Bluetooth Protocol: A2DP/AVRCP/HFP 

• Bluetooth mode: Hands Free 

• Scope of application: mobile phones, tablet, sports, computers 
  

• Size: 137x105x52mm/5.39x4.13x2.04"

• Weight: 33g

Compatible with:

• iPhone XS Max / XS / XR / X / 8 / 8 Plus

• Samsung Galaxy Note 8 / S8 / S8 Plus

• Other iPhone Samsung Huawei LG etc. Bluetooth-enabled devices