Introduction: Play music wirelessly from your phone or other bluetooth devices on your home /car stereo system or when driving with this Bluetooth audio receiver. Enjoy the high-quality audio streaming from your phone or other Bluetooth audio transmitter in CD-quality sound through your speaker. Freedom to move freely in your house or your car as you listen - conveniently control and stream music from up to 30 feet/10 meters away. Feature: 3.5mm audio interface, connect AUX directly Easy to install - simply plug it into your stereo, then connect to your device with just one press of a button. Bluetooth hands-free, safe driving LED light indicator, play/pause music, answer/drop phone calls, stereo sound, professional experience Memory pairing, dialed the last number Multifunctional keyboard (adjust volume conveniently) Easy operation: You can answer phone calls or control music on the receiver. Change volume, play/pause music, answer/drop calls, redial the last called number with ease. NOTE: This receiver doesn't turn on automatically,please long press the MF button about 3 seconds,the blue LED light flashes per 5 seconds when it's connected successfully. Specification: Working range: 10m（Free space） Frequency: 2.4GHz-2.48GHz Battery capacity: 100mh/3.7V working time 6 hours Charing time 2 hours S/N Ratio: ＞95dB Working temperature: -10°~+50℃ Size: 5.6x3.6x0.8inches Unit Weight: 5.3 ounces