811 Laptop Wiress Mouse, Spec: Charging Version (Pink)1. Material: ABS, ectronic components2. Number of keys: 3 keys3. Photoectric resolution: 800-1200-1600dpi4. Working mode: 2.4G/BT5.25. Whe direction: four-way whe6. Working distance: 10 meters7. Battery: charging version/dual mode version: 500mAh lithium battery, battery version: AAA battery x 1 (battery is not included in divery)8. Wiress optical engine, accurate positioning, not easy to drop frames9. Non-slip grille rollers, comfortable and wear-resistant, smooth movement, flexible operation10. The shl is made of skin-friendly ABS material, which is anti-sweat and anti-finger11. Product size: 9.5 x 5.5 x 2.8 cm12. Product weight: about 55 grams