Description: This wireless audio receiver adopts Bluetooth-compatible 5.1 chip, which supports stable transmission, stereo and lossless sound effect. The intelligent audio receiver adapter features wide application in many audio devices, which is practical and multifunctional. It is constructed of ABS material. The length of the audio receiver adapter is 7cm, the width is 7cm and the height is 3.45cm. This audio receiver adapter is suitable for car, laptop, smartphone, TV set, speaker and so on. Item Name: Audio Receiver Material: ABS Features: Plug Play, Driver-free, Quick Transmission Transmission Rate: 100 (Mbps) Operating Frequency: 2400 (MHz) Bluetooth-compatible: Standard 5.1 Transmission Distance: 10 Meters Power Supply: DC5V/1A Function: Optical Fiber Playback, AUX Playback, TF Card Playback, Coaxial Playback Size Details: Size: 7cm x 7cm x 3.45cm/2.76" x 2.76" x 1.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Audio Receiver 1 x User Manual