Feature: 1. REAL TIME STREAMING TRANSMISSION: Sound mixer streams in real time while charging, eliminating the need to switch cables. When plugged in, the phone and sound card can be charged simultaneously to meet the needs of long term live streaming. Charging 5V 1A, OTG, computer. 2. INTELLIGENT NOISE REDUCTION: Stereo sound mixer one button intelligent noise reduction to reduce ambient noise. Effectively filter out AC interference, shield external noise, sound signal is clearer and more stable, sound quality common mode interference. 3. ONE BUTTON ACOUSTIC CANCELLATION: Live sound card one button eliminates the original sound. Eliminate the vocal part of the music, change the original song to the accompaniment with one key, and change the accompaniment of your favorite song in seconds. 4. PRECISE TUNING: Voice changer sound card is clean and stylish on the outside, and powerful on the inside. Delicate and precise tuning. Adjust reverb volume, background music volume, microphone volume, and ear return volume. 5. PERSONALIZED ELECTRONIC TUNING: Sound mixer has personalized electronic tuning to choose the beautiful sound that suits you, so you can make loud highs and lows during the live broadcast. The higher the treble, the sharper the sound, the higher the bass, the clearer the sound. 6. LOTS OF SPECIAL EFFECTS: Sound mixer has a variety of live ambient sounds with many special effects, so you will no longer be embarrassed in the live broadcast and have more fun interacting with your fans. Intelligent beautiful voice singing, 12 step electronic tone. 7. INTELLIGENT DODGING: Podcast equipment uses intelligent dodging, when the host speaks, the volume of the accompanying music will be automatically reduced. When not talking, the volume of the accompanying music automatically increases. Specification: Item Type: Sound Mixer Model: For F998 Material: ABS Color: Black Battery Type: Built In 1200mAh Lithium Battery (Included). Package List: 1 x Sound Mixer2 x Sound Cable1 x Data Cable1 x Instruction Manual