Operation Range: Within 10 meters (33 feet) -Frequency: 2.4GHZ-2.4835GHZ ISM band -Power Supply: battery or car lighter -Battery: Built-in Rechargeable Li-ion (Replaceable, 1*BL-5B) -Standby time: 140 hours/ Talk time: 7 hours -Package included: 1* Steering wheel mount Bluetooth hands free, 1* Car charger, 1* User manual -PLEASE NOTE: This product requires a lead time of 10 to 14 days.
