Bluetooth V3.0+EDR music receiver, transmission range up to 10m / 33ft.Supports iPhone, Android phone, and other smart phones which with Bluetooth A2DP function.Supports hands free, can connect microphone and supports phone calling through Bluetooth receiver.Sleep mode for saving power.3.5mm stereo audio output.Compatible with home intercom systems, stereos / speaker, car stereos, headphones.PACKAGE:1 Bluetooth audio receiver1 USB cable1 3.5mm connector1 User manual