Specification:
Bluetooth Standard: Bluetooth Version 4.1
Noise Reduction: CVC6.0
Frequency Range: 2.4GHz
Bluetooth Mode: Headset/Handfree/A2DP
Operation Range: 10m
Talk/Playing Time: Up to 3-5 hours
Standby Time: Up to 80 hours
Charging Time: 2 hours

Function:
One Connect Two Phone At The Same Time.
Chinese/English Voice Prompt
Voice Tone/ Smart Compatible Connection
Turn On/Off. Show The Battery Display For Iphone