Mice & Trackballs FAQ Q: How many devices can the mouse be connected to at the same time? A: Bluetooth mode (2 devices): 2 devices can be connected and switched at the same time, 2.4G USB mode (1 device): only 1 device USB connection is supported (simultaneous connection with Bluetooth mode is not supported). Q: How to connect the mouse? A: Bluetooth mode: Turn the bottom switch to "Bluetooth", pre the small yellow button to switch to "Bluetooth 5.0", find the "BT4.0 Mouse" connection in the device Bluetooth list, Pre the small yellow button to switch to "Bluetooth 5.1", find the "BT5.1 Mouse" connection in the device Bluetooth list. (Note: If the mouse Bluetooth is not displayed in the list, please pre and hold the small yellow button for 3S to activate Bluetooth.)2.4G USB mode: Turn the bottom switch to "USB", and plug the USB receiver into the USB port of the PC/laptop to use it. Q: What should I pay attention to when using a mouse in iOS system? A: Upgrade IOS system above 13.0. Flagship Ergonomic Office Mouse Widened palm rest, wrap-around light strip, 8D rechargeable mouse. The most comfortable grip. The closest to the ergonomic posture, fits the curve of the palm, and will not cause fatigue after long-term use. Bluetooth & 2.4G USB dual mode connection. Support a variety of systems, can connect 3 devices at the same time, the button on the back can switch between different devices. 16 million colors RGB horse race lamp effect The tail LED light strip is designed with mixed-color horse racing lights, and various light effects can be adjusted. 8D button design Different from the traditional mouse design, 3 kinds of auxiliary buttons are added, forward button & back button & double-click button. Type-C fast charging Newly upgraded Type-C charging interface, and a built-in 500mAh large-capacity rechargeable battery for long-lasting battery life. 3-speed DPI optical engine 3-speed adjustable DPI optical engine, stable operation without frame drop, and faster work. Strong compatibility. Suitable for PC/laptop/tablet/mobile phone, one mouse solves all connection troubles.