HXSJ M90 2.4GHz Ultrathin Mute Rechargeable Dual Mode Wireless Bluetooth Notebook PC Mouse 1. Dual mode: bluetooth 5.0 + 2.4 G wireless 2. Rechargeable: built-in rechargeable battery 3. Accurate tracking: Professional IC positioning accuracy 4. Silence key: optional click silence 5. High resolution: Max1600 DPI high resolution for fluid motion 6. Fashionable slim design: Slim design for sleek look and portable use 7. Material: ABS 8. Key life: 5 million times 9. Wireless distance: 10m 10. Battery capacity:500mAh (Chargeable) 11. Charging cable length: 25cm 12. Rated voltage current: 3.7V 8mAh 13. System requirements: Windows 98 Me 2000 XP Vista Win 7 Win8 10Vista Mac OS or latest.(Apple mobile devices are not supported) 14. Product weight: 71g 15. Item size: 11.3x5.8x2.6cm