Feature:
Technology: Bluetooth 4.1
Audio output: 35mW, <15mA
Transmission range: <10 m
Charging Power: input AC 110-240V; output DC 5V
Charging time: 2 hours
Talk time: 4 hours
Music play: 3 hours
Standby time: 80 hours
Wearing styles: In-Ear mini headphones
Battery: 40mA rechargeable lithium battery
Weight: about 8.5g