Power supply (adapter): DC 5V/2A Battery: Built-in 3.7V/3000mAh (battery can be used for about 4.5 hours in full function state) Charging time: (power off) about 4.5 hours Charging interface: TYPE-C interface Sound card function: Yes 48V phantom power: 2 Built-in battery use: 3000mah Use while charging: Yes Low power indicator: Yes Sound adjustment: 3 microphone interfaces independently adjust volume/mute, audio interface independently adjust/mute, headset independently adjust volume, headphone independently adjust volume Function knob: 6 Mode/function button: 16 buttons Custom special effect button: 3 buttons Bluetooth accompaniment: Support Accompaniment input: 1 channel (6.35 port) Condenser mic input: 1 channel (3.5 port) Dynamic microphone input: 1 channel (6.35 port) Instrument input: 1 channel (6.35 port) Headphone output: 1 channel (3.5 port) Headphone output: 2 channels (3.5 port) OTG interface (with charging function): 1 channel (TYPE-C port) Charging interface: TYPE-C port 48V condenser microphone input: 2 channels (XLR) Analog audio output: LT/RT, stereo Dynamic range (D/A): 102dB Dynamic range (A/D): 102dB Total harmonic distortion (D/A): -92dB Total harmonic distortion (A/D): -90dB Signal-to-noise ratio (A/D): 108dB Colour:Black Material:ABS Package Contents: 1 * Microphone sound card 1 * TYPE-C--TYPE-C data cable 1 * Four-section audio cable 1 * TYPE-C-USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.