Features:1.Support AUX + FM dual output2. Computer external sound card function3. bluetooth effective transmission distance of 10 meters4. TF card reader function, can copy data and other operations on the computer5.Using bluetooth 5.0 chip with LED digital display, the working status is clearly visible6. FM transmission, frequency adjustable (87.5 ~ 108MHZ), stable signal, no noise and no interference7. built-in high-quality decoding chip, high-definition stereo sound quality (support similar product sound quality comparison)8. Core functions: bluetooth reception, bluetooth transmission, FM transmission, TF card , card reader, external sound card9. Humanized design to get rid ofcumbersome operationAuto power on, one-touch direct access The four major modes can be switched at will. The touch of the piano paint material is more textured.LED digital high-definition display, status is visible at any time.10. The fuselage uses a PC fire-resistant casing, which has been processed with a high-gloss surface. UItrasonic assembly technology is rugged and beautiful.Specification:Product modelNeutral / or custom brand LOGOProduct nameDigital bluetooth Adapterbluetooth versionbluetooth V5.0Transmission distancebarrier-free 10 meters signalInterface type35mm interface / SB interfaceInput parametersDC 5V / 2.1A (Max)Support protocolA2DP / AVRCPProduct sizeabout 7525 15mmUsageUSB powered plug and play (drive-free)Product ColorWhiteProduct MaterialHigh Strength PC + ABSProduct weightabout 15