Description:Convenience: Wireless audio transmitter and receiver are perfect wireless audio solutions for all situations and applications.Receiver transmitter mode: transfer audio from mobile phone, tablet or wireless to wired stereo, speaker or headset.Easy to use: You can switch between transmitter and receiver modes with the touch of a switch. Bluetooth-compatible and 3.5mm audio cable (included) are easy to connect.Wide compatibility: Receiver transmitter adapter can be widely used in your computer, laptop, home stereo system, headset, smartphone, MP3 player, CD player, etc.Portable: This transmitter and receiver is very suitable for backpack or laptop bag, which is very convenient to carry and storage.Specification:Material: ABS.Size: Approx. 4.4x4.4x1.2 cm/1.73x1.73x0.47 inch.Note:There might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package Includes:1 Piece Adapter(with 1 Piece Power Cord, 1 Piece 3.5mm Auxiliary Cable, 1 Piece Manual).