"Speaker model: Full frequency speaker 4 ohms 5W*2
Speaker size:52x52x32mm
Rated impedance: 4Ω±15%
Rated power:5W
Frequency range:F0-20KHZ
Characteristic sensitivity:84dB±2dB
Resonance frequency: 400HZ±20%
Harmonic distortion: 5%
Power supply: DC 5V/A
Battery:Built-in 3.7V/2000mAh
Usage time: 2 to 3 hours)
Power indicator (LED): power on - white light; charging - red light;
Low battery status: beep for 2 minutes/time
Charging time: fast charging---1.5-2 hours, slow charging---2-3 hours
Charging interface: TYPE-C interface
Supported audio formats: MP3 WAV WMA FLAC APE
Sound adjustment: high, middle and bass adjustment; accompaniment, reverberation; microphone volume adjustment; speaker volume adjustment
Function keys: 9 keys, original song elimination, dodge, internal amplification, noise reduction, etc.
Sound effect buttons: 6 buttons, original sound, popular, shouting Mai KTV, voice changing, electronic music
Special effect keys: 7 keys, applause, laughter, welcome, thank you, etc.
Input mode switching: support coaxial mode, accompaniment mode, Bluetooth mode
Accompaniment input: 1 channel (3.5 ports)
Moving coil input: 1 channel (6.35 port)
Coaxial input: 1 channel (coaxial port)
Condenser microphone input: 1 channel (3.5 ports)
Headset output: 1 channel (3.5 ports)
Headphone output: 1 channel (3.5 port)
Live broadcast interface: 1 channel (3.5 port)
OTG interface: 1 channel (TYPE-C port)
Charging interface: TYPE-C port
Analog audio output: LT/RT, stereo
Dynamic range 1kHz:80dB
Crosstalk:70dB
Signal-to-noise ratio:85dB
Output level (Vrms):Vrms(1.0~2.0V 10kR)
Headphone output power: 5 mW x2CH
Speaker output power (rated value): 5W x2CH
Speaker output power (peak to peak): 8W x2CH
Frequency response:5MHz(<-3dB)
Colour: Black
Product material: ABS plastic
Packaging size: 365*193*104mm, 1.3KG
Product size: 353*112*86mm
Carton size: 550*385*420mm, 10pcs/ctn, G.W: 14kg
Packing List: Sound card speaker*1, wireless microphone*2, charging cable*2, live broadcast cable*1, anti-slip ring*2"