The live sound card is practical for live streaming, tone adjustment, reverberation adjustment, 12 kinds of electrophonic keynote, 10 kinds of warm up sound effects, sound changing and intelligent dodge. Dual microphone port design and dual live streaming port design, support live streaming of two people or two platforms at the same time. Specifications: Material: Zinc alloy Type: Only sound card(English version), Black & Gold, Gold, Black & Silver, Blue & Silver, Silver, Black, Square microphone set, Round microphone set (optional) Sound Channel: 2 Input Voltage: 5V BT Protocol: 2.1 Battery Capacity 1000mAh Package Weight: Only sound card: 400g / 14.11ounces Black & Gold, Gold, Black & Silver, Blue & Silver, Silver, Black: 1700g / 59.97ounces Square microphone set: 1750g / 61.73ounces Round microphone set: 1850g / 65.26ounces Package Size: Only sound card: 180 * 130 * 45mm / 7.09 * 5.12 * 1.77in Black & Gold, Gold, Black & Silver, Blue & Silver, Silver, Black: 420 * 240 * 75mm / 16.54 * 9.45 * 2.95in Square microphone set: 420 * 240 * 75mm / 16.54 * 9.45 * 2.95in Round microphone set: 420 * 240 * 75mm / 16.54 * 9.45 * 2.95in Packing List: 1 * Live Sound Card 1 * Microphone 1 * Microphone Cable 1 * Microphone Cover 1 * Microphone Stand 1 * Shock Mount 1 * Double Layer Acoustic Filter 1 * USB Cable 2 * Audio Cables 1 * Table Mount Clamp