1 supports Bluetooth connection, handsfree answering calls, free to talk <br />2 supports A2DP playback, noise suppression (CVC) and DSP solution for echo cancellation, improve sound quality <br />3 supports audio formats: MP3, WMA, supports USB disk and SD card <br />4 with 21-key remote control and steering wheel remote control<br />5 supports FM transmitter to connect to car sound, playing music via car speaker <br />Color: Black <br />Material: ABS + Electronic Components <br />Package Size: 23 x 13.4 x 5cm <br />Product overall length: about 27cm <br />Key: answer key, hang up button, pause/play button, volume +, - key, previous/next song key <br />Interface: USB interface, SD card slot, 3.5mm audio cable <br />Parameter information: <br />1 Working Power Supply: DC 12-24V <br />2 Display screen: about 0.95 inches <br />3 Bluetooth version: V2.1 + EDR <br />4 Bluetooth sound processing: A2DP <br />5 Bluetooth transmission distance: 10-15m <br />6.FM transmission frequency: 87.5-108MHz <br />7.USB Output: DC 5V 500mA <br />Features: <br />1 support to answer calls <br />2 support MP3 music files <br />3 support SD, U disk storage tools, etc <br />4 built-in microphone<br />1 x FM transmitter<br />1 x Remote controller (including CR2032 button battery)<br />1 x English user manual<br />1 x Audio cable<br />In original package<br /><img src="http://img6.eachbuyer.com/x9/p100/bv310_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_9.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_10.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv310_11.jpg" />