Features: brand new and high quality brand new and high quality brand new and high quality brand new and high quality Bluetooth-compatible 5.1 receiver: equipped with Bluetooth-compatible 5.1 chip, the transmission speed is increased by 2 times, the connection stability is for stronger, and the signal range is wider by 10M/32.8ft. Bluetooth-compatible: This audio adapter supports 3.5mm aux audio and is for all for smart phones and Bluetooth-compatible audio devices ( headsets, speakers, etc.). Clear sound: A2DP supports voice prompts, obtains high-quality audio sound, provides you with an operating range of 30 feet, with good performance, and gives you a good experience when answering calls or watching late-night programs. New design: Bluetooth-compatible5.1 receiver with LCD display design, you will directly the status of the connection. Transmitter receiver mode: 2in1 design, using this wireless adapter, you can send and receive all audio freely and easily. Specifications: Interface: USB Wireless Type: Bluetooth-compatible Content: Audio&Video Sound Track: 5.1 Bluetooth-compatible profile: 5.1 EDR, A2DP, HSP, AVRCP Frequency: 2.4GHz-2.48GHz Bluetooth-compatible Transmission Distance: less than equal 10m/32.8ft Bluetooth-compatible Receiving Distance: less than equal 10m/32.8ft Power supply voltage: for DC 5V Material:ABS Colour:Black Package Includes: 1 x Wireless Audio Receiver 1 x 3.5mm Aux Audio Cable 1 x User Manual note: Only the above package content, other products are not included. Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is1-2cm.