OfficialParts Specialist Since 2016 Trusted by 120,000+ European drivers, explore our certified accessories collection directly from the seller profile. Product Features: material: plastic Size: 95 65 40mm Colour: Black Battery: 2 7-cell batteries (not included) Packing: 1* mouse Electrical related parameter specification description: 1. Electronic solution: BK solution + ka8 (with red LED) 2. Function description: 2.4G wireless mouse (6-key shift) 3. Anti-interference ability: normal use under wireless network / Bluetooth / microwave / mobile phone 4. Mouse working voltage: 3V 5. Mouse operating current: 3mA 1mA (tested on white paper) 6. Mouse standby current: 900uA, standby time 90s or so. 7. Mouse sleep current: 80uA, sleep automatically about 10 minutes to enter the deep sleep state, use the button to wake up again. 8. Working frequency: 2402-2480MHz 9. Output power: Max 0dB 3dB 10. Transmission distance: 10m 3m 11. Power supply battery: 2 7th battery (not included) l Important components related parameters: 12. L R key switch life: 3 million times 13. Encoder life: 100,000 times Attention: Due to manual measurement,please allow 1-2cm errors . The actual color of the commodity might be slightly different from the pictures due to the difference between different screens.