Features: 2 in 1 Bluetooth Transmitter & Receiver, as a Bluetooth Audio Transmitter, It is specially designed for the Audio Devices (such as MP3, MP4, TV and PC, etc.) without Bluetooth function. You can connect the Bluetooth Transmitter to the audio devices without Bluetooth function via the included 3.5mm Audio Plug, changing these audio devices into Bluetooth-enabled audio devices, and making it work with Bluetooth-enabled Headset and Speaker; as a Bluetooth Audio Receiver, It is specially designed for Car Stereo systems and Home Audio System. It can change the traditional Car Stereo systems and Home Audio System into Bluetooth-enabled ones, and easy to pair with Bluetooth-enabled Smart Phones, laptop, tablet, etc. With this product, you can greatly enjoy music from your phone, laptop, tablet without the hassle of cables.Specification: Bluetooth profile: V5.0 EDR,A2DP,HSP,AVRCP Bluetooth: V5.0 Transmission Distance: 10m / 33ft Charging: Micro USB 5V/0.5A Audio Port: 3.5mmColor: BlackMain Item Size: 62 X 25 X 13.3mmPackage includes: 1 X Bluetooth Transmitter&Receiver 1 X 3.5MM Audio Cable 1 X User Manual