Features:
High-performance AMP chip， can push the headset， and high-power speaker， applicable to most types of speakers.
Simple operation，3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver.
Built in Mic.
Whether you want Bluetooth convenience in your car， through your home-theater system， in your kitchen， bathroom， or bedroom， etc.
Powered by built-in rechargeable li-ion battery via mini USB port long working time and low consumption. (Mini USB cable included)

Specifications:
Bluetooth version: 3.0
Bluetooth profile supported: A2DP， HSP， HFP， OPP， OBEX， DUN
Frequency range: 2.4GHZ-2.4835GHZ
Chipset: OVC 3960
Audio quality: High acoustic fidelity sound
Interface:1 * 3.5mm Audio; 1 * Micro USB(for power supply)
Working Voltage/Current: 3.3∥4.2V/30mA
Effective distance: 10~15m(Max 20m no obstacle)
Audio Port: 3.5mm
Color: Black
Material: ABS
Dimension: 5.3 * 2.5 * 1cm / 2.1 * 1 * 0.4in
Weight: 11g / 0.38oz
Package size: 10.8 * 7.6 * 2cm / 4.2 * 2.9 * 0.8in
Package weight: 42g / 1.44oz

Package List:
1 * Bluetooth Music Receiver with Built-in Mic
1 * Micro USB Power Cable
1 * 3.5mm Stereo Inlet Socket
1 * User Manual(English)