Feature: 1. 2.4G /2.4G+BT1+BT2 wireless the third mock examination 2 model optional, with high-end PixArt 3065 IC design, work games do not get stuck. 2. The appearance of the fully transparent mouse design is beautiful and fashionable, with a variety of colors to choose from. 3. Third speed 1600 moving speed adjustable, with a handy 125Hz response speed. 4. Mute switch, with a lifespan of 5 million times, suitable for men and women's games without disturbing people. 5. Built in 500 milliampere rechargeable li battery, Type C charging interface, with functions such as battery display light, energy saving mode, and low battery prompt. Specification: Specifications: IC: Pix Art 3065 Rate of return: 125HZ Moving speed: 28IPS Refresh rate: 3000FPS Acceleration: 10G Number of switches: 5 Keys (Mute Design) Switch life: 5 million times Product material: PC+ABS+Metal Roller Voltage/current:3.7V/30mA Battery capacity: 500mAH Working range: 10m Length of charging line: 30cm (Type-c charging line) DPI: 800/1200/1600 Adjustable(Default 1200dpi) Support: One click desktop (quick return to desktop) Size: 11.3x5.7x2.5cm / 4.4x2.2x1in Weight: 70g / 2.5oz Suitable system: The 2.4G usb version support for Win /for OS X /for Linux.. ... The Bluetooth version support for Win /for OS X /for android. How to use： 2.4G: Step 1: Push the power switch at the bottom of the mouse to the "ON", and switch the button to 2.4G mode, the corresponding light is flashing green, and then the green light off after connecting the device, enter the normal mode. Tri Mode： Bluetooth connection (BT1-BT2): Step 1: Push the power switch at the bottom of the mouse to "ON", click the mouse three modes button @, the blue lights corresponding to the BT1/BT2 mode flashes, and start to enter the code mode. Step 2: Open the tablet /computer/phone, click the "Bluetooth " interface in the settings menu, Connect the pairing mouse (BT5.1Mouse). After the device is connected, the blue light goes off, Enter normal mode. Step 3: Move the mouse or press the left/right button to use it normally. Remarks: Code checking prompt: When the mouse is not yet connected to the device, (1)the green light flashing at the bottom of the back of the mouse (2.4G mode), (2) the blue light flashing at the bottom of the back of the mouse (BT1 mode), (3) the blue light flashing at the bottom of the back of the mouse (BT2 mode). 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 press any key to wake the mouse. . Package List: 1 x Wireless Mouse1 x USB Receiver1 x Charging cable(30cm Type c)1 x Instructions in English Note: The 3 mode model can connect three computers and mobile tablet devices at the same time, and use the bottom mode switch to switch and use with one click.