Item Description: This Wireless Bluetooth 3.0 Music Receiver provides you the ability to listen to music from your mobile phone through your car sound system without the cables. It connects to the AUX port in your car to enable your car sound system to stream audio from smartphones wirelessly. It connects to your smartphone automatically once it is turned on. With a full charge, it provides up to 8 hours of playing time. In addition, the sleep mode saves the power while it is not within the range. this Bluetooth receiver is also designed to work with home stereos, speakers, headphones, etc. by 3.5mm stereo inlet socket. It is compatible with all iPhones, all iPads, Android devices, and other smartphones that are A2DP Bluetooth profile Features: Support hands free, can connect microphone and support phone calling through Bluetooth receiver Sleep mode for saving power Compatible with home stereos / speakers, car stereos, headphones Support iPhone, Android phones, other smart phones which support Bluetooth A2DP profile Parameters: Bluetooth version: Bluetooth V3.0 Bluetooth Profile: A2DP Stereo Profile Bluetooth Distance: Up to 33 inches (10 meters) 3.5mm Stereo Inlet Socket Run Time: Up to 8 Hours Special Function : Bluetooth, Hands-free calls, MP3 Player Color : Black Material : Plastic Music Source: 3.5mm stereo headphone jack Bluetooth Version: V3.0 Bluetooth Protocol: A2DP Transmit Distance: 10m Package Contents: 1 x Bluetooth 3.0 Car Handsfree Audio Music Receiver, 1 x USB Cable, 1 x English Manual