?DUAL MODE BLUETOOTH MOUSE(BT 5.1 + 2.4GHz)?Dual mode wireless mouse realizes free switches between two devices with one mouse only by simply toggle switching.It can connecting one device through Bluetooth and the other through 2.4GHz USB Receiver. Note: You can't use Bluetooth mode and 2.4G mode at the same time. ?2020 Latest Upgrade LED Design?The upgraded version mouse with the LED lights adds more fun to the boring office life. The bottom of the mouse has a switch, you can switch lights freely. Low-key or sparkle, switch in one second, suitable for any occasion. ?3 ADJUSTABLE DPI LEVELS AND SILENT CLICK? Among 1000, 1200 and 1600 to meet different needs. Special soundless design for the right and left buttons, make you concentrate on working or playing games without disturbing others. ?BUILT-IN BATTERY AND AUTO ENERGY-SAVING?The mouse built-in rechargeable battery, with a charging cable. No need to change batteries.To saving power, the mouse will fall asleep after 10 minutes no-operation, it can be waken up by clicking any button ?PORTABLE & POCKET SIZE?Lightweight, slim design make it perfectly for travel, easy to put in your laptop bag or pockets.