Inphic DR01 Bluetooth 3 Mode Wireless Mouse Charging Quiet Office Game Laptop Computer Home Use 1. Wireless carrier frequency: 2402-2480MHz 2. Resolution: 80012001600DPI 3. Built-in battery capacity: 500mAh 4. Number of keys: 6 keys 5. Connection mode: 2.4G (USB receiver) + Bluetooth 5.04.0 6. Charging input: 5V 500mA 7. Rated operating current: within 10mA 8. Tracking system: optical 9. Operating system: Windows XP and above series, applicable to the system of universal mouse 10. Size: about 11.2 x 7.5 x 4.2cm 11. Weight: about 84g Features: 1. With light to show the power level, low battery automatic prompts 2. 3 connection modes, all kinds of devices can be used 3. Skin-friendly and comfortable hand feel, no slip, full support at the end, fit the hand curve, suitable for long time office use 4. Built-in high-capacity 500mAh rechargeable lithium battery, with intelligent hibernation, no need to repeatedly replace the battery, environmentally friendly and worry-free 5. 800-1200-1600 three-segment DPI free switching, responsive, smooth operation 6. 6 buttons and auxiliary functions to enhance office efficiency