1. 3D curved surface suction nozzle, constant force adsorption, avoid damage to the skin 2. Wireless WIFI connection, free control 3. Built-in high-definition camera, high-brightness LED lighting, 20 times high-definition macro 4. Adjustable three-speed suction, visual cleaning 5. The body is light and easy to carry 6. Input voltage: 5V 7. Rated power: 5W 8. Battery capacity: 650mAh 9. Charging time: about 2h 10. Use time: about 120-150min 11. Pixels: 1 million 12. Material: ABS, PC 13. Weight: about 135g 14. Size: about 16.5 x 4cm