RAYEE K8 Bluetooth 5.0 Audio Receiver & Transmitter 2 in 1 Adapter Support 2.1A Fast Charge U Disk, US Plug

1. Material: PC plastic2. Usage: 110-220V power supply in-line3. Transmission rate: 2.40Mbps4. Bluetooth transmission distance: about 10 meters5. Bluetooth version: 5.06. Working frequency: 2400MHz7. Interface type: 3.5mm interface8. Output parameters: DC 5V/2.1A9. Support protocol: A2SP/AVRCP10. Basic functions: Bluetooth receiving/transmitting, APP control, U disk playback, 2.1A fast charge11. Scope of application: notebook computers, desktop computers, projectors, televisions, subwoofers, small speakers, power amplifiers, wired headphones and other devices with audio input/output interfaces12. Size: about 7.5×5.5×2.5 cm13. Weight: about 54 gramsFeatures:1. Using Bluetooth 5.0 chip2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one3. Both receiving and transmitting modes can be played by plugging in U disk, supporting mp3/flac/wav/wam/ape and other formats4. Mobile APP control, up and down song/volume adjustment/sound effect adjustment/play source switching5. Support 110-220V power supply in-line, universal6. Built-in QC2.0 fast charging module, supporting 2.1A dual USB fast