DESCRIPTION : suitable for live mobile karaoke broadcast, two or three live mobile broadcast, computer live broadcast, computer accompanied mobile phone, live broadcast and live broadcast meter input. You can adjust the size of the reverb, adjust the microphone volume, adjust the high and low sounds, adjust the recording volume, and adjust the volume (headphone function). Item type: external sound card Battery: rechargeable lithium-ion battery Material: metal. Color: black. Voltage: 220 V. Bluetooth: V4.1 Size: Approximately 4921 x 4.134 x 0.984 in. الحالة جديد