SY6 Sound Card Karaoke Recording Audio Live Broadcast KTV Sound Card Audio Machine •The 4000mAh battery can last for a long time to meet your live broadcast or singing needs •Bluetooth/accompaniment/TF card/OTG input,multiple connection methods,easily handle more scenarios •IOS/Android/Windows fully compatible,intelligent compatible with 99% live broadcast software •Digital DSP processing chip is adopted to realize independent adjustment,high and low pitch,reverberation,accompaniment,recording,etc. •Pop/Subwoofer/Pure Vocal mode,one button switching,you can choose the desired effect as you want Specification: •Function: •Sound card function: yes •Bluetooth speaker function: yes •Card reader: TF card •Built-in Battery Playback: Yes •Play while charging: yes •Low Power Indicator: Yes (Beep) •Supported audio formats: MP3 WAV WMA FLAC APE •Sound adjustment: treble,mid-bass adjustment; accompaniment,reverberation,recording adjustment; microphone volume adjustment; speaker volume adjustment •Lighting control: Aperture with self-flashing seven-color lights; left and right potentiometers always turn on three-color lights; spectrum light under the potentiometer jumps with the size of the music •Audio switch: Yes (there is no sound after the audio is turned off,and the sound card function can be used normally) •Function keys: 12 keys •Sound effect keys: 6 keys •Special effect keys: 12 keys •Bluetooth switch: support •Bluetooth playback operations: pause,previous song,next song •Power Specifications: •Power supply (adapter): DC 5V/3A •Battery: Built-in 7.4V/4000mAh (when the power amplifier is turned on,the battery can be used for 3 to 3.5 hours) •Power indicator light (LED: power on: white light; charging: red light; low power state: prompt tone 2 minutes/time •Charging time: •Quick charge (power off) 4.5-5 hours •Slow charge (charge while playing,power amp moderately on) 9-12 hours •Speaker Specifications: •Model: full frequency speaker 4Ω5W •Size: 52x52x32mm •Rated impedance: 4Ω±15% •Rated power: 5W •Frequency range: F0-20KHZ •Characteristic sensitivity: 84dB±2dB •Resonant frequency: 400HZ±20% •Harmonic distortion: ≤5% •Audio Performance Specifications: •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: 5mW x2CH •Speaker output power (rated value): 5W x2CH •Speaker output power (peak to peak): 10W x2CH •Frequency response: 5MHz (