1. Bluetooth 5.3 chip, fast connection, stable transmission
2. Support bluetooth receive (RX), bluetooth transmitter (TX), cell phone charging, microphone singing four in one
3. Can read TF card / U disk, support MP3 / FLAC / WAV / WAM / APE format songs
4. Support 6.5 microphone singing, that is, plug and sing, professional-grade Karaoke chip, effective prevention of whistling
5. Support infrared remote control, switch on/off/mute/play/pause/up/down/volume up/down/audio source switching
6. Support 110 ~ 240V power supply direct plug, global use
7. Built-in QC2.0 fast charging module, support for 2.1A dual USB fast charging, cell phones, tablets and other easy charging
8. AUX + RCA dual interface output, can be connected to two speakers and other equipment at the same time
9. Bluetooth transmission distance of 10-20 meters, built-in HD decoding chip

Parameters:
1. Bluetooth version: V5.3+DSP
2. Signal-to-noise ratio: more than 90dB
3. Power supply: AC 100-240V 50/60Hz power supply
4. Peripheral support: U disk playback, TF card playback, microphone (MIC) singing
5. Output parameters: DC 5V/2.1A (Max)
6. Frequency response: 10Hz-20KHz
7. Frequency range: 2400-2483.5MHz
8. Support protocol: A2DP, AVRCP, HSP, OPP, GATT, SM, etc
9. Transmission distance: 20 meters (without obstacles)
10. Music format: MP3/WMA/SBC/WAV/DTS/A52/FLAC/APE, etc
11. Functions: bluetooth receiving / Bluetooth transmitting / microphone singing / infrared remote control / 2.1A fast-charging U disk playback / transmitting, TF card playback / transmitting, infrared remote control
12. Support equipment: mobile phone/tablet/computer/TV/wired speaker/amplifier/projector, etc
13. Size: 85 x 60 x 30mm
14. Weight: about 79g

Packing list: host + RCA lotus cable + AUX audio cable + remote control (remote control version only) + instructions