This is a Bluetooth wireless music receiver that it can receive music to any stereo audio input, such as your phone, laptop, iPod, via Bluetooth wirelessly, and play out via your car or home audio system with a 3.5mm audio jack. TO GET IT! Now you will enjoy stereo music in your car or home freely.without the Hassle of Cables Features: 100% new with high quality Bluetooth V2.1, Wireless connection Frequency: 2.4GHz Support A2DP function 3.5mm stereo audio output One touch connect button Sleep mode for energy saving. LED lights beneath the button indicate device connection and charging status.Support Home A/V systems, home stereos, automobile or motorcycle speakers, boats, RVs which with 3.5mm audio jack Support headphones like: iPhone, Android phones, other smart phones which with Bluetooth A2DP functions Support laptop, ipod, PC with Bluetooth function Power supply: charge via mini USB cable Operation time: up to 8 hours(built-in battery) Code: 0000(no code needed when pair with apple or android device) Package include: 1 x Car Bluetooth Music Receiver 1 x 3.5mm Audio Cable 1 x 3.5mm Audio Adapter 1 x USB Cable 1 x User Manual