Mice & Trackballs Product Parameters: IC:PixArt 3212 Working mode: 2.4G+BT5.1 Rate of return: 125HZ Moving speed: 30inch/s Refresh rate: 4800 frames/second Acceleration: 10G Number of switches: 6 Keys (mute design) Switch life: 10 million times Product material: ABS material+metal roller Voltage/current:3.7V/30mA Battery capacity: 400mAH Working range: 10m Length of charging line: 80cm (Type-c charging line) DPI: 800/1200/1600/2400 Adjustable DPI Key: Pre for 2 seconds to turn off or turn on the light Support: One button mute (quickly mute the computer) Support: One click desktop (quick return to desktop) Product size: 11.3x5.7x2.5cm Product weight: 68g Package size: 11.6x7.7x3.1cm Package weight: 116g Package includes: 1 x Wirele Mouse(2.4G+BT5.1) 1 x USB Receiver 1 x Charging cable(80cm Type-c) 1 x Instructions in Englis Suitable system: The 2.4G usb version support Windows /Mac , The Bluetooth version support Windows /Mac /ios / android. Notes on charging mode: It is recommended to use the computer USB interface to charge the mouse. The red light at the wheel is always on when charging, and the red light is off when fully charged, about 1-2 hours. Instructions: USB connection: Step 1: Insert the receiver into the USB port of the computer Step 2: Push the power switch at the bottom of the mouse to 2.4G mode, and the power indicator at the bottom of the mouse changes Green and flashing Step 3: Move the mouse or pre the left and right buttons to use it normall Bluetooth connection: Step 1: Turn the power switch at the bottom of the mouse to the Bluetooth mode, and the indicator will turn blue and flash Step 2: Open the tablet/computer/mobile phone, click the "Bluetooth" interface in the setting menu,Connect the paired mouse (BT5.1 Mouse) Step 3: Move the mouse or pre the left and right buttons to use it normally. Instructions and precautions: 1. When the mouse cursor moves slowly, please check whether the battery is low. It is recommended to charge it in time. 2. When the mouse cannot be connected, please check whether the power switch at the bottom of the mouse is turned on, and select the correct connection method or move the USB receiver to another USB port for use. 3. If you do not use the mouse for a long time, turn off the power switch manually to save power. 4. If the mouse is not used for a long time, it will automatically enter the sleep mode. Move the mouse or pre any key to wake the mouse.