RAEYY D80 Bluetooth Adapter Audio Receiver Support 2.1A Dual USB Fast Charge, US Plug 1. Material: PC, ABS 2. Usage: 110V power supply in-line 3. Transmission rate: 2.40Mbps 4. Bluetooth transmission distance: about 10 meters 5. Bluetooth version: 5.0 6. Working frequency: 2400MHz 7. Interface type: 3.5mm interface 8. Output parameters: DC 5V2.1A 9. Support protocol: A2SPAVRCP 10. Basic functions: Bluetooth receivingtransmitting, U disk playback, 2.1A fast charge 11. Scope of application: notebook computers, desktop computers, projectors, televisions, subwoofers, small speakers, power amplifiers, wired headphones and other devices with audio inputoutput interfaces 12. Packing list: host x1, remote control (contains button battery) x1, audio cable x1, manual x1 13. Size: about 5.7x5x2 cm 14. Weight: about 52 grams Features: 1. Using Bluetooth 5.0 chip 2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX) 3. Both receive and transmit modes can be inserted into U disk to play, support mp3flacwavwamape and other formats 4. Support a variety of audio equipment, wireless transmission, driver-free use, compatible with audio inputoutput interface equipment 5. Support various audio and video APP software 6. Built-in QC2.0 fast charging module, supporting 2.1A dual USB fast charging, easy charging for mobile phones, tablets, etc. 7. Small and portable, does not take up space, wear-resistant and durable 8. Built-in high-quality decoding chip, high-definition stereo sound quality 9. Intelligently compatible with various devices, plug and play, suitable for devices with audio inputoutput interfaces 10. Highly sensitive infrared remote control, about 5-10 meters infrared control, the remote control panel is simple and clear, and a variety of functions are controlled by one button 11. Built-in multiple protection circuits, intelligently matching the current required by charging equipment, safe and efficient