Feature: * Convenient kit to be clipped to the car's sun visor. * Also used for hands-free calling at home and in the office.* Multipoint technology and this speaker can be connected to 2 mobile phone. * Strong signal， clear sound and nonradiative. Specifications: * Support hand free， head set and so on. * With 2W speaker and high sensitivity microphone. * Included DSP to support advanced echo and noise cancellation. * Multipoint Support: allows a speakerphone connect to two phones. * Compatible Bluetooth Specification: V2.1+EDR. * Working frequency range: ISM (2.4-2.84GHZ). * Wireless Connected Distance: Up to 10 meters. * Battery type: Rechargeable lithium cell 3.7V， 650MA (BL-5B). * Talk time: About 17 hours. * Standby time: About 1000 hours/41 days. * Charge time: About 3 hours. * Charger output:DC5-6V 400MA. * Size: 110mm X 60mm X 29mm (L*W*H). Package Included: * 1 X Bluetooth Hands Free Car Kit* 1 X USB Cable(about 1 foot long) * 1 X Car Charger * 1 X User Manual