Features: brand new and high quality. 2 in 1 Bluetooth-compatible adapter with Bluetooth-compatible receive and Bluetooth-compatible transmit function Bluetooth-compatible transmitter: wirelessly streams audio to Bluetooth-compatible speakers or headphones from your TV or older media devices like portable CD players that lack built-in Bluetooth Bluetooth-compatible receiver: wirelessly streams audio from your phone or tablet to your existing wired home stereo system, speakers, or headphones Bluetooth-compatible 4.0 technology for enhanced audio quality , improved connection stability and faster pairing for Android, IOS phone system and PAD and all Bluetooth-compatible audio devices such as TV ,Speaker, PC,CD Player, phone, for iPod, for iPad, Tablets , MP3 Player Or Car Stereo and More Specifications: Material: Plastic + Metal Color: Black,White Size: 6.55.81cm Bluetooth-compatible 4.0 Transmission distance: 10m in open area Frequency: 2.4GHz Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 X Bluetooth-compatible Transmitter Receiver 1 X 3.5mm Male To Male Audio Cable 1 X RCA To 3.5mm Audio Cable 1 X User Manual