1. Multiple interfaces: This mini projector is equipped with multiple interfaces, such as USB interface, HDMI interface, AV interface, memory card interface, and audio interface. You can easily connect smartphones, TVs, tablets, and laptops to play videos, TV shows, sports broadcasts, games, etc. 2. Power supply: This projector does not come with a battery and requires a 5V 2A power source, such as a wall charger or a power adapter. It is very suitable for travel, hiking, and camping in places without electricity or TVs, and it is also very popular among children. 3. High performance: This portable movie projector has a brightness of 400 - 600 lumens, supports 1080P resolution and a 4:3 aspect ratio, with a projection distance of 0.8 - 2 meters and a maximum projection size of up to 60 inches. The built - in speaker can provide realistic audio signals, allowing you to enjoy excellent sound effects. 4. Compact and portable: This movie projector is small in size and easy to carry. You can take it with you anytime, anywhere. Whether you are watching movies, playing games, watching sports broadcasts, camping outdoors, or having a party with friends, it is your best private cinema. 5. Dimensions: 12.7 * 8.2 * 5 cm