【Multi-Device Wireless Mouse】Pairs with 4 devices via Bluetooth or the included USB dongle, allowing for quick switching. You can leave your laptop's USB port free for phone charging or connecting other devices, and it also provides a way to work wirelessly with older desktop computers that don't have Bluetooth functionality. 【M+ Cross-Computer Technology】Seamlessly operate and control multiple computers by simply moving the cursor to the edge of the screen, automatically switching between screens to handle multiple tasks simultaneously. Wireless file transfer between computers is also possible – just copy on one computer and paste on another, eliminating the need for cloud services, email, or USB flash drives. 【Requires installation of the mouse driver and connection of the computers to the same Wi-Fi or Ethernet network.】 【Long Battery Life & Wireless Charging Supported】Equipped with an 800mAh lithium polymer battery and supports USB-C quick charging. Can be used for up to 90 days. 【Battery life may vary depending on usage frequency and device condition.】 【7-Level Adjustable DPI & 11 Programmable Buttons】Preset DPI is 800/1000/1200/1600/2400/3200/4000, and can be fine-tuned in increments of 50 via the mouse driver. You can adjust the balance of precision and speed to match different monitors and switch DPI settings with one click. Improve work efficiency and productivity by assigning shortcut keys, media keys, macros, etc. 【Usable on Most Surfaces】Adopts a high-performance laser sensor, achieving high-precision tracking on most surfaces such as wood, metal, cloth, plastic, and paper. 【Not suitable for use on glass or mirror surfaces.】More advanced laser mice use invisible light as the light source, so they do not emit red or green light from the bottom of the mouse like common optical mice. This eliminates potential harm to the eyes when picking up the mouse and turning it on/off, and reduces light pollution in the workstation. Power...Rechargeable Connection Type...Wireless (Bluetooth)