1. Wireless carrier frequency: 2402-2480MHz 2. Resolution: 800/1200/1600DPI 3. Built-in battery capacity: 500mAh 4. Number of keys: 4 keys 5. Connection method: 2.4G (USB receiver) 6. Charging input: 5V 250mA 7. Charging time: about 2h 8. Charging port: Type-C/USB-C 9. Operating system: Windows XP and above series, applicable to the system of universal mouse 10. Size: about 10.5 x 7.1 x 3.8cm 11. Weight: about 71g Features: 1. Organic noise reduction silicone film, silent button design, creating a comfortable and quiet environment 2. 2.4G wireless, 10M transmission, accurate tracking movement 3. Continuous use time up to 720h, can be recharged repeatedly, environmentally friendly and durable 4. Type-C/USB-C charging port, convenient and quick 5. 800-1200-1600DPI free switching, to meet various daily needs, rapid movement can also be accurately positioned without frame loss 6. Vacuum plating technology, not easy to wear and tear, frosted texture delicate, skin-friendly silicone, comfortable and non-slip 7. Lightweight and portable, easy to use 8. Adapt to the hand curve, comfortable grip, suitable for a variety of grips, not tired of using for a long time