R9 Bone conduction sport earphone
Don't plug your ears.
Comfortable and safe.
Sunk design,compatible with glasses.
Standby time 160 hours,working time 6 hours.
Touchness titanium skeleton design, bending is not easy to damage.
Bluetooth version：V5.0
Chipset：CSR
Bluetooth Protocol: Head set/Handsfree /A2DP/AVRCP
Voice unit: Bone conduction vibration microphone
Bluetooth working distance：≤10m
Standby time：160 Hours
Battery type：140mAh lithium battery 3.7V
Working time：6 Hours
Charging time: 3 Hours
Waterproof: IP4
