Bluetooth Specification: Bluetooth V3.0
Bluetooth mode: Hands free/ Headset/AV/ AV RCP profile
Transmission frequency: 2.4GHz
Transmission range: 10 m
Transmission power: Class 2
The charger power supply: AC input: 110-240V; DC output: 5V
Music time: About 3 hours
Talk time: About 4 hours
Standby time: About 120 hours
Dimensions: 22.3 ¡¿ 25 ¡¿ 13 mm