Use true copper ring titanium film with 10mm speaker,excellent sound.
Smart to connect two devices, bluetooth transmission distance is approx.10m
Wearing comfortable, not easy to fall off.
耳机
Bluetooth Version:4.1
Bluetooth Chip:CSR8635
Bettery Capacity:110mAh
Weight:18g
Colour:black、green、blue
Frequency:20Hz-20KHz
Drive Unit:10mm
Waterproof Level:IPX-4
Transmission Distance: 10m
Music Time：7-8 hrs
Talking Time:8-10hrs
Charging Time:1-2hrs
Standby Time:Approx.250hrs
Support Protocol:HFP/HSP/A2DP/AVRCP
Function:voice calling、voice call/answer、refused call、three switchable sound effects、multidrop connection、volume control、waterproof IPX-4
OS:IOS,Android
