Bluetooth Version: V4.1+EDR
Bluetooth mode: Bluetooth/headset/A2DP
Playtime: 3-5 hours
Transmission level: Class 2
Bluetooth works up to 10 meters
Support A2DP: Music Play
Audion Output:35mW/ Play/Pause
Charging Time: 1 hour
Built-in 50mAh polymer battery
Can connect two smartphones at the same time
Charging Time: 2 Hours
Charging Voltage: 3.7v
Noise Cancel MIC: High quality silicon label is used in this device
Product dimension: 28mm*16mm*15mm*
Product weight: About 10g
