Item Type: Bluetooth Car Kit Special Features: Multipoint Speakerphone Battery Type :: Rechargeable lithium battery Material Type: Plastic NOTE:no battery included Bluetooth V3.0 ·Bluetooth Profile HSP/Handsfree ·Operating Range Up to 10 meters ·Frequency Response 2.4GHz ·Talk Time Up to 20 hours ·Standby Time Up to 1000 hours ·Charging Time 3 hours ·Battery Type Rechargeable lithium battery Note:Please remember to charge it for about 3 hours for the first time!