BT-M1 Car Visor Clip Handfree Speakerphone Kit with Bluetooth Function Support English\/Spanish<br /><br />Feature:<br /><br />1. Built-in HD microphone<br />2. Compatible with all mobile phones available in the market<br />3. Long standby<br />4. Simultaneously connect two phones<br />5. Can answer, hang up and refused the phone<br />6. Automatic shut off when you get off the car<br /><br />Specification:<br /><br /><br /> Bluetooth Version: V2.0<br /><br /> Operating frequency range: ISM2.4GHz to2.4GHz<br /><br /> Bluetooth Profile: Speakerphone &amp;amp; Hands-Free Profiles<br /><br /> Transmit power: Class2<br /><br /> Wireless range: 0-10 meters<br /><br /> Charger output specification: DC5-6V 400MA<br /><br /> Built-in rechargeable battery: 3.7V 650MA<br /><br /> Normal charging time: about 3 hours<br /><br /> Speakerphone time: about 17 hours<br /><br /> Standby time: about 48 hours<br /><br /> Size: 11.5 * 4.5 * 1.4CM (L*W*H)<br /><br /> Weight: 50g<br /> <br /> Package Included:<br /> <br /> 1 X Bluetooth Car Kit