Key FeaturesExpand Triple Wireless Connection Compatible with Bluetooth audio systems Enjoy wireless technology. From phone to projector Built-in battery lasts for two and a half hours. Enjoy a 100-inch cinematic viewing experience. Lightweight and slim design Input/Output Ports Input/Output Ports 1x HDMI /1x USB /1x Audio out Weight x Dimensions x Distance Weight 0.65kg Distance 100 inches at 3.25 meters Width x Depth x Height (mm) 174X109.5X44 Compliance Information 30,000 hours of fun and entertainment The projector's pure LED lamp provides natural and rich colors, and will last for an estimated 30,000 hours. This means there is no need to replace the lamp for over 10 years, even if the projector is used for 8 hours a day. The device is almost new, used less than 10 times.