Features: brand new and high quality A for Key to for Smart to Eliminate the Original Sound: It can automatically identify the host's voice and intelligently reduce the volume of background music, and effectively eliminate 95% of the voice of the music lead singer, So as to become accompaniment. Atmosphere Effect: With the host control field sound effect, the background accompaniment import one for key control field dryness. Multi Layer Noise Reduction and Pure Sound Quality: Multi layer and different density filtering technology can effectively suppress noise, restore human voice clearly, and avoid the trouble caused by noise. High Compatibility: for computer, phone, tablet compatible, , support most mainstream systems Androidwin7win8win10 MMA, etc . 16 kinds of atmosphere sounds to make the live broadcast more interesting, 8 kinds of effect method (Host, Sing, Professional, for Rap, V Cut, Denoise, Monitor, Changer, Electronic Sound)One-key selection of 12 kinds of electric tone tone, 4 kinds of sound changing effects. Specifications: Sound Card Chip:Two noise canceling DSP chips Lithium Power:1200mAh (6 hours of continuous use after fully charged) Plug:USB, LPHONE, SANSUNG, Android, 3.5mm, 6.5mm Color:Colorfull RGB Charging:5V/2A OEM:Yes Place of Origin:Guangdong, China Application:Home, KTV, Performance, Conference, Speech, Interview, Recording Material: Metal Color: As the Picture Shows Product Dimension: approx. 200x138x30x20mm/7.87x5.43x1.18x0.79lbs Net Weight: 800g/1.76lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set Mobile Computer Universal Sound Card External