"Speaker: Full range speaker 4 ohms 5W
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/3A
Battery:Built-in 7.4V/4000mAh
Usage time: 3 to 3.5 hours)
Power indicator (LED): power on - white light, charging - red light;
Low battery status: beep for 2 minutes/time
Charging time: fast charging---4.5-5 hours
, slow charging----9-12 hours
Charging interface: TYPE-C interface
Sound card function: yes
Bluetooth speaker function: yes
Card reading: TF card
Supported audio formats: MP3 WAV WMA FLAC APE
Sound adjustment: high, middle and bass adjustment; accompaniment, reverberation, recording adjustment; microphone volume adjustment; speaker volume adjustment
Lighting control: The diaphragm has self-flashing colorful lights; the left and right potentiometers are always on with three-color lights; the spectrum light under the potentiometer jumps with the music.
Function keys 12 keys
Sound effect buttons: 6 keys
Special effect keys: 12 keys
Bluetooth switch: support
Bluetooth playback operations: play pause, previous song, next song
Accompaniment input: 1 channel (3.5 ports)
Condenser microphone input: 2 channels (3.5 ports)
Headset output: 1 channel (3.5 ports)
Headphone output: 1 channel (3.5 port)
Live broadcast interface: 2 channels (3.5 ports)
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): 10W x2CH Frequency response: 5MHz (<-3dB)
Color: black, white
Product material: ABS plastic
Product size: 410X81.5X73.5mm
Packing size: 426x107x108mm, 2KG
Carton size: 545 x 460 x 350 mm, 10pcs/ctn, G.W: 21kg
Packing List: Sound card speaker*1, wireless microphone*2, charging cable*2, live broadcast cable*1, anti-slip ring*2"