1. Dual modes: Bluetooth + 2.4G wireless 2. Rechargeable: built-in rechargeable battery 3. Accurate tracking: professional IC positioning accuracy 4. Silence key: optional click silence 5. High resolution: Max 1600 DPI high resolution for fluid motion 6. Fashionable slim design: slim design for sleek look and portable use 7. Key life: 5 million times 8. Battery capacity: 400mAh 9. Charging cable length: 80cm 10. Rated voltage / current: 3.7V / 8mA 11. System requirements: Windows 98 / Me / 2000 / XP / Vista / Win7 / Win8 / 10 / Mac OS or latest
