Feature:
Version: V4.1
Standby time: 250-300h
Music time: 5-6h
Talking time: 5h
Charging time: 3h
Frequency: 2.402G-2.480G
Temperature: -20-60
Transmission power: 0dbm
Range: 10m
Weight: 9g
Compatible with: all Bluetooth-enabled mobile devices
Package: retail box
Color:black，white，grey，green，gold