Add bluetooth function to your stereo devices immediately, changing ordinary stereo speaker to wireless bluetooth speaker. * All bluetooth-enabled devices(such as iPad, iPod touch, iPhone, Samsung Galaxy S3/S4/Note2, other bluetooth-enabled cell phones, bluetooth-enabled notebook, etc.) can be paired to play music. * Support Bluetooth standard 2.0 / 3.0 / 4.0. * Support A2DP & AVRCP, compatible with all devices enabled with A2DP & AVRCP stereo bluetooth. * Built-in rechargeable battery, charged via mini USB port.(USB cable included)