Selling due to replacement. This is a battery-powered mobile projector. The sound is good, and the brightness is sufficient, I think. There is a small dent on the front, but it works without any problems. The accessories are all shown in the photos. Please check the product specifications on the manufacturer's website. - Brand: XGIMI - Connectivity: HDMI, USB, Audio Jack - Color: Silver - Design: Compact Thank you for looking. Type... Portable Features... HDR10, Wi-Fi, Bluetooth, Battery, Built-in Speaker, Vertical Keystone Correction, Horizontal Keystone Correction, Android OS