Material: metal Power supply: built-in lithium cell (included) size: 173 * 113mm / 6.81 * 4.45in Features: Novel appearance. Compatible with smartphone, PC and laptop. Supports connecting two microphones and two earphone. Supports wireless BT function. Supports optimize sound. Supports major mainstream live broadcast software. 30 kinds of live sound effects, 12 kinds of electricity sound and 12 kinds of modes. Built-in Chinese operation voice prompt. Universal function, supports multi-function such as singing, live, recording, music and so on. Can be used for live recording, home KTV, voice chat, and more. Package List: 1 * Live Sound Card 1 * USB Charging Cable 2 * Audio Cables 1 * User Manual Please Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please refer to the actual product received. Thank you! Due to the manual measurement and different measurement methods, Please allow slight dimension difference . pls make sure you do not mind before you bid.