Packing list: 1 x mode 1 x USB receiver Battery capacity: 500mah (rechargeable) 2. Rechargeable: built in rechargeable battery Product weight: 71g 8. The turns on 2.4G mode by , and long DPI to mode. System requirements: Windows 98 / me / 2000 / XP / / win 7 / win8 / 10 / Mac or the latest version Length of charging line: 80cm Material: ABS Item size: 11.3 x 5.8 x 2.6cm Power type: Rechargeable 7. Using optical technology for precise control. Button: 6 buttons (left, right, forward, backward, scroll wheel, DPI) 1. mode: 5.1 + 2.4G wireless standard Mode switching: long DPI to mode Type: ergonomic photoelectric Wireless distance: 10M 3. Accurate tracking: IC positioning accuracy Type: 2.4G + 5.1 ( mode) Work: optoelectronics 4. Mute key: optional click mute Rated voltage / current: 3.7v/8ma Model: G856 colorful luminous silent wireless Key : 5 million times 5. High resolution: 2400 DPI high resolution 1 x USB charging (80cm) 6. Ergonomic design to and carpal tunnel syndrome. 8. The Turns On 2.4G Mode By , And Long DPI To Mode. Battery Capacity: 500mah (rechargeable) 3. Accurate Tracking: IC Positioning Accuracy