Feature: 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 Specification: Material: ABS Key life: 5 million times Wireless distance: 10m Work: Photoelectricity Battery capacity:500mAh(Chargeable) Charging cable length: 25cm Project Type: Ergonomics Optical Mouse Operation Mode:Opto-electronic Rated voltage / current: 3.7V / 8mA Power Type:Rechargeable Type:2.4Ghz Wireless+Bluetooth(Dual Mode) Buttons: 2 Buttons and 1 Round (Middle Mutton) and Mouse dpi System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest.(Apple mobile devices are not supported) Product weight: 71g Item size: 11.3 *5.8 * 2.6cm Packing weight: 92g Package Size:12.7 *7.7* 3cm Package List: 1 * Mouse (Dual Mode: Bluetooth + 2.4 G wireless) 1 * USB Receiver 1 * USB Charging Cable(25cm) 1 * English manual How to use: For 2.4G wireless mode: Turn the power switch to 2.4G mode > Mode indicator red light> Plug receiver plugged into computer USB port> Connected For Bluetooth mode: 1. Switch the power switch to Bluetooth mode > press and hold the dpi button for 5 seconds (the red light will be on at the bottom of the mouse) Add device > Start searching for device 2. Search for the Bluetooth device (Bluetooth_Mouse 5.0), click "Next" to connect, and the connection will work normally. If the display is not successful, please reconnect.