Universal for mobile phones and computers, External sound card Intelligent tuning. High and medium 3-level tuning, fnely adjusting each tone, Enable music enthusiasts to achieve a better auditory experience. Release restraints Wireless music playback, accompaniment music can be played via Bluetooth. Change of voice, Switch roles freely: Male voice/Female voice/Doll voice/ voice, switch and choose.Make the sound interesting and varied during live streaming, liven up the atmosphere. OTG transmission,No need for adapter cables: High definition lossless sound quality, compared to analog signals transmitted through a 3.5mm interface, OTG digital audio transmission achieves lossless audio conversion, more realistic and clearer. Adjustable noise reduction: The required noise reduction intensity can be adjusted according to different usage environments, Find the perfect balance bety noise reduction. Charge while using, Long lasting battery life: After plugging in the sound card, both the phone and the sound card can be simultaneously, Meet the demand for long-term live streaming. Professional reverb adjustment, large knob design, Enabling reverberation can make the sound fuller and more three-dimensional. Charging interface:TYPE-C interface Charging time:(power off) about 4 hours Power indicator (LED):Power on: white light; Charging: red light; Low power status: beep 2 minutes/time Power supply:DC 5V/1A Sound adjustment:high/middle/ adjustment; accompaniment, reverb, special effects, recording adjustment; microphone volume adjustment Note:The glowing part of the product in the picture is a light effect. Colour:Black Material:Plastic Package Contents: 1 * Live Sound Card 1 * Type-C cable 2 * Audio 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.