Xcellent Global Portable Bluetooth V3.0 Audio Receiver, Handsfree Phone Call Bluetooth-Enabled Devices M-AV008 Bluetooth V3.0, + EDR, Class 2. Bluetooth Profiles: A2DP & AVRCP. Bluetooth distance: up to 10 meters(33") . Wireless music receiver connects to 3.5mm headphone jacks.Operation time: up to 8 hours. Size: 50 x 25.5 x 11cm. 3.5mm stereo audio output, LED indicator, One touch connect button. Power supply: Inner Li-Battery charging via Micro USB cable. Support headphones like: iPhone, Android phones, other smart phones which with Bluetooth A2DP functions. Package:1X Bluetooth Music Audio Stereo Receiver, 1x 3.5mm Audio Cable, 1x 3.5mm Audio Adapter, 1x USB Charging Cable, 1x User Manual.