G70 Wireless & Wired Vertical Mouse Ergonomic Optical Mouse, Style: Wireless Charging Version Features: 1. Optical engine, three-speed DPI speed adjustment, you can choose freely 2. Ergonomic three-dimensional design, the back of the mouse fits the palm, reducing the pressure on the wrist and fingertips 3. High-precision engine, zero delay and no frame skipping when playing games 4. Frosted shell, comfortable to touch Product parameters: 1. Material: ABS, electronic components 2. Number of keys: 6 (keys) 3. Interface: USB 4. Photoelectric resolution: 1600dpi (dpi) 5. Adjustable resolution: four gears 6. Working method: photoelectric 7. Wheel direction: four-way wheel 8. Wireless transmission frequency: 2.4GHz 9. Wireless operating distance: 10 (m) 10. Wireless built-in battery: 500 mAh lithium battery 11. Cable length: 1.5 (meters) 12. Dimensions: 12.8 x 7.7 x 6.3 cm 13. Net weight: wired model: 110 grams, wireless model: 120 grams