Features: 1.HANDS FREE: Bluetooth car speaker can connect to your cell phone via bluetooth to make wireless calls without the need for a headset or handheld cell phone, making it easy for drivers to make calls. 2.MULTIFUNCTION: Handsfree speakerphone also has the function of Bluetooth MP3 player, which can play music by connecting to a cell phone or other Bluetooth devices. 3.1 FOR 2 FUNCTION: Hands free car phone supports 1 for 2 functionality, which pairs two cell phones at the same time, making it easy for both the driver and passenger to make calls using the bluetooth hands free system. 4.NOISE CANCELING: Handsfree bluetooth car kit has built in DSP noise suppression, which can effectively reduce the problem of external noise interference and provide clear sound for calls. 5.AUTO RECONNECT: Supports automatic reconnection, i.e., no need to re operate when re establishing the connection after disconnecting between the Bluetooth device and the Bluetooth hands free system, which enhances the convenience of use. specification:Item Type: Handsfree Speakerphone Material: ABS Bluetooth: 4.0 EDR Wireless Range: Approx. 0-10m / 0-32.8ft Function: 1 For 2 Simultaneous Pairing Of Two Cell Phones, DSP Noise Suppression, Automatic Reconnection Battery Type: Built In 650mAh Lithium Ion Battery Charging Time: About 3 Hours Talking Time: About 17 Hours Standby Time: Approx. 1000 Hours 41 Days PackageList:1 x HandsfreeSpeakerphone 1 x Cigarette Lighter Power Adapter 1 x Data Cable 1 x Instruction Manual