The BT-700 Car Bluetooth MP3 Handsfree Kit FM Transmitter with Remote Control is a brilliant all-in-one car kit. It perfectly integrates handsfree calls， FM transmitter， Bluetooth and MP3 player. In this way， you can do a lot more through your car stereo system. Built-in microphone with CVC noise canceling allows you to speak to callers without picking up the phone when you are driving. And it supports A2DP， which means it can stream audio from paired cellphone via Bluetooth. This car kit directly plugs into cigarette lighter for power supply. It also comes with remote control for convenient sound selection and frequency set. Don’t hesitate to get one!                                    Features             Integrate handsfree calls， FM transmitter， Bluetooth and MP3 player<br> Wirelessly deliver phone calls from Bluetooth-enabled smartphone to car stereo<br> Built-in microphone allows you to speak to callers without picking up the phone<br> CVC noise canceling technology for wind and noise suppression<br> Built-in decoding chip， play MP3 files from USB device and TF/SD card<br> Audio / music playback via Bluetooth A2DP<br> Auto power-off memory function<br> Well-positioned buttons for quick music and call control<br> Directly plug into cigarette lighter for power supply<br> Sleek modern design， easily fit in the car<br> Come with a remote control for convenient sound selection and frequency set <br>                                                            Specifications             Material     ABS     <br> Dimensions     (5.32 x 1.50 x 1.14)" / (13.5 x 3.8 x 2.9)cm (L x W x H)    <br> Weight     1.17oz / 33.3g    <br> Bluetooth Version     V2.1    <br> Transmit Frequency     2.4 GHz    <br> Transmit Distance     10m    <br> MIC Effective Distance     0-2 m    <br> FM Frequency Range     87.5 ~ 108MHz    <br> FM Transmit Distance     5m    <br> Frequency Response     20Hz-15KHz    <br> SNR     >60dB    <br> THD     0.1%    <br> Color     Black       <br>                                                             Package Includes            1 x Car Bluetooth Transmitter<br>1 x Chinese / English Manual<br>1 x Remote Control (Internal Battery) <br>