Dual-Mode Mouse (2.4G + Bluetooth 5.2): 2.4GHz wireless mode, plug and play, no need to download drivers. Bluetooth mode, easy to connect and pair. Both modes provide a reliable and stable connection up to 33 feet with virtually no drop-outs and delays. The wireless mouse realizes free switches between two devices with one mouse only by one click. Note: You can't use Bluetooth and 2.4G mode at the same time. The USB dongle is stored on the bottom of the mouse. Comfortable & Quiet Click: The wireless mouse features a hand-friendly contoured shape for all-day comfort. Quiet clicks allow you to focus on your work