Features: Newly upgraded Bluetooth-compatible audio receiver, Bluetooth-compatible 5.1 chip, compatible with- most smartphones and tablets on the market, stable connection. Digital to analog- converter, with coaxial input,3.5mm audio+R/L output,use it on your TV, connect it to various amplifiers or players to play audio Support U-disk play,support MP3.WAV,FLAC,APE-,WMA music format.Up to Max-64GB memory card With Microphone input,external microphone can be connected- to the speaker Support IR remote control,free your hands and make operation more convenient(Please Note:it not support Power ON on the remote control) Specifications: Name: Wireless Audio Converter Input: 3.5 Optical/coaxial/bluetooth-compatible5.1/U-Disk Output: Rca Left And Right Channels/3.5 Stereo- Bluetooth-Version: BT5.1 Size:Mixed Material: Aluminum-Alloy for Shell- Colour: As Pictures Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC Bluetooth-compatible DAC Converter 1PC RCA Cable 1PC 3.5mm Aux Cable 1PC User Manual