The Bluetooth Receiver is specially designed for Car Stereo systems and Home Audio Systems. The Bluetooth Receiver can change the traditional Car Stereo systems and Home Audio System into Bluetooth-enabled ones, and pair with Bluetooth-enabled smartphones, laptops, tablets MP3/MP4 players, etc. Moreover, its hands-free function will bring you much convenience and let you keep safe during the drive. With this product, you can greatly enjoy music from your phone, laptop, or MP3 without the hassle of cables and picking up incoming calls while on the road. It is perfectly suitable for the car owners. Features Bluetooth V3.0+EDR music receiver, transmission range up to 33ft. Supports compatible with iPhone, Android phones, and other smartphones with Bluetooth A2DP function. Supports hands-free, can connect to the microphone, and supports phone calling through a Bluetooth receiver. Sleep mode for saving power.3.5mm stereo audio output. Compatible with home stereos/speakers, car stereos, and headphones.