1. Wireless transmission distance: ≥10m 2. Wireless carrier frequency: 2402MHz-2480MHz 3. Wireless working channel: 16 automatic frequency hopping 4. Rated operating current: 8-15mA@1.5V/3V 5. Button stroke: 0.8mm 6. Button strength: 50-60±10g 7. The number of button life: 3 million times 8. Charging times 500 times product features: 1.Wireless mouse 2. Ergonomic design, stylish appearance …