3 Modes 2.4GHz + Bluetooth 3.0 + Bluetooth 5.0, this is a mode switch key and a Bluetooth code key, one-key switch, convenient and quick. Adjustable DPI 5-level DPI adjustable speed: 800-1200-1600-2400-3600, switch according to different using purposes. Light Mode RGB cool marquee effect, up to 6 lighting pattern designs, and the light can be turned off. Long Time Standby Built-in lithium battery, 750mAh high-capacity polymer battery, automatic asleep in 5 seconds. Strong Compatibility Suitable for notebooks, desktops, tablets, mobile phones and other devices.