Bluetooth Earphone

Product Dimensions：134*98*44 MM
Weight: 38g
Material：Memory plastic & Silicon & TPU & Titanium alloy
Speaker type: Bone conduction transducers(8Ω&1W)
Bluetooth Version: V4.2
Telegram phone number (the headphone will voice broadcast the caller ID)
Multipoint connection: 1 Bluetooth headset can connect 2 devices simultaneously, you will never miss any calls from your devices
System language:English ‐ Prompt tone is English(can be customization)
Operation: 4 Keys volume up/volume down, multi-function,Play/Paue key
Battery:  200 mAh rechargeable Polymer battery  
Continuous Play time: 5hours
Standby Time: Over 7 days
Effective range: 10m (33feets)
Mono/Stereo: Stereo
Bluetooth Class: Class1, Class2, and Class 3 PA
Receiving Sensitivity: 88dBm
Frequency range:20Hz-20KHz
Mic: Anti-interference microphones, -42DB
Fully Charging: MicroUSB port and need 2h