Sound Card Audio External USB Headset Microphone Live Broadcast For BM 800 Mobile Phone Computer PC Feature: 1. 112 kinds of electric sound, 18 kinds of sound effects, 6 kinds of effect modes. 2. Reverberation size adjustment, microphone volume adjustment, high ba adjustment, recording volume control, music volume control, monitoring volume control (earphone function). 3. Support mobile phone computer use, support the use of single headset. 4. 7 kinds of connecting methods: one cell phone K song live, double cell phone live, three mobile phone live, mobile phone computer synchronous live, one computer live, computer accompaniment cell phone live, instrument input cell phone live. Specification: Battery: lithium ion rechargeable battery Material: Metal Color: Black Product size: 125x105x25mm/4.92x4.13x0.98/'/' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.