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 5V/2.1A
9. Support protocol: A2SP/AVRCP
10. Remote control power supply: contains a button battery
11. Scope of application: notebook computers, desktop computers, projectors, televisions, subwoofers, small speakers, power amplifiers, wired headphones and other devices with audio input/output interfaces
12. Packing list: host x1, remote control x1, audio cable x1, manual x1
13. Size: about 7.5x5.5x2.5 cm
14. Weight: about 54g

Features:
1. Using Bluetooth 5.0 chip
2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one
3. Both receiving and transmitting modes can be played by plugging in U disk, supporting mp3/flac/wav/wam/ape and other formats
4. Mobile APP control, up and down song/volume adjustment/sound effect adjustment/play source switching
5. Support 110-220V power supply in-line, universal
6. Built-in QC2.0 fast charging module, supporting 2.1A dual USB fast charging, easy charging for mobile phones, tablets, etc.
7. Support 5-10m infrared remote control, switch on/off/mute/play/pause/up/down/up/down/volume up/down/switching of sound source
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 input/output interfaces
10. Ultrasonic assembly process can effectively prevent falling and effectively prevent over voltage, over current, short circuit, electromagnetic, over temperature, over power, etc.
11. 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