Technology: Bluetooth 4.0
Radio frequency: 2.402-2.480GHz
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: 120 hours
Wearing styles: en-ear mini headphones
Battery: 50mA rechargeable lithium battery
Size: 30mm * 18mm * 15mm
Spare parts: Manual x1, spare wired earphone x1, ear hook x1, USB cable x1, silicone earplug x1.
Spare parts: Manual x1, spare