HXSJ T36 2.4G Bluetooth 5.0+3.0 Three-mode Silent Design Wireless Bluetooth Mouse (Silver) 1. Material: ABS+Metal 2. Rechargeable: Built-in rechargeable 500mAh 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. Key life: 5 million times 8. Wireless distance: 10m 9. Charging cable length: 80cm 10. Resolution: 1600dpi(Default) 11. Operation mode:photoelectric+Bluetooth 3.05.0 12. Rated voltage current: 3.7V 10mA 14. System requirements: Windows 98 Me 2000 XP Vista Win 7 Win8 10Vista Mac OS or latest. 15. Product weight: 75g 16. Item size: 10.9x6.4x2.8cm How to use: For 2.4G Wireless Mode: Click mouse mode key--Mode indicator red light on--plug receiver into computer USB port--con net ed 1. Set the mouse switch to ON and the optical sensor to red. 2. Plug the receiver into the computer USB port. Press the mode button once. 3. The red LED flashes and the installation is done automatically.