Feature: 1. DUAL CORE CHIP: Professional audio mixer is equipped with high performance low power DSP audio processing chip, faster, can effectively solve the sound card in the market without noise reduction, with noise and other problems, through Hi Res algorithm to restore sound details 2. LONG TERM BATTERY LIFE: The professional sound card come with a 1000mah large capacity battery, which can bring up to 12 hours of battery life, and supports microUSB interface, which can be used while charging, so you can get rid of endurance anxiety 3. REAL NOISE REDUCTION: The live sound card voice changer can eliminate external noise, achieve real active noise reduction, and the voice after noise reduction is clearer and fuller, without losing the original details, so that the sound is more pure 4. LOSSLESS SOUND QUALITY: Live sound card mixer supports OTG lossless transmission technology, bringing HiFi high sound quality, without current sound or other external factors affecting music, bringing a purer audio visual enjoyment 5. PERSONALIZED FUNCTIONS: Live sound card has colorful RGB dazzling light effect, bring more immersive live broadcast effect, support Bluetooth connection, no cable can also play background music 6. MULTIPLE FUNCTIONS: Live streaming sound card supports a variety of live broadcast modes, through the sound card can control 8 voices, eliminate the original song, automatically reduce the background sound when speech and so on Specification: Item Type: Professional Audio Mixer Material: ABS and aluminum alloy Transmission Mode: Wired, wireless Bluetooth Bluetooth Version: 5.0 Battery Type: Lithium ion battery Battery Capacity: 1000mah 3.5MM Interface Type: Monitor, headset, 2 x microphone, accompaniment, 2 x live stream Moving Coil Microphone Interface: Yes Charging Port Type: OTG microUSB. Package List: 1 x Sound Card1 x User Manual2 x 3.5mm Audio Cable1 x Charging Cable