Enable High-Efficiency Multiple Working Modes: 3 modes Mouse(BT5.0 & BT3.0 + 2.4GHz), this Bluetooth wireless mouse realizes free switches between 2 devices(use Bluetooth mode and 2.4G mode) in a mouse only one Switch. Simple & convenient to work from the desktop to the tablet, or laptop to Macbook, etc. | 2 in 1(Bluetooth+USB) Wireless Mouse : Bluetooth mode works with Windows/ Android/ MAC OS system. Easy to pair and connect. but for BT5.0 & BT3.0 Systems just according to the Bluetooth version of your device; 2.4GHz mode works with laptop, desktop, or any device with USB port, simply plug in the USB receiver, plug and play. Put away the adapter, used it as a Bluetooth mouse, or Use an adapter to use as a usb mouse, and use both connection methods at the same time | Connect 2 Device Simultaneously: Bluetooth mouse support-connect 2 devices simultaneously with just one mouse for laptop, desktop, tablet, and so on, you can seamlessly switch between multiple devices with just a click, without the trouble of plugging and pairing. Bluetooth mouse for laptop with two connectivity options to choose from: one USB-A port and Bluetooth channels (5.0 or 3.0) | 3 Adjustable DPI Levels: 1000/1600/2400 to meet different needs, comes with a Nano receiver (stored in the back of the mouse). No need any driver, and you can plug and play the wireless mouse directly, and advanced TeckNet Tru-Wave optical tracking technology ensures precise tracking on any surface. | Comfortable & Durable Design: Ergonomic design with elegant profile, this wireless bluetooth mouse is perfect to fit your hands, providing a comfortable using experience. Tested over 10 million times click lifespan ensure long-term stable use. | Hassle-free Design: Up to 18-months battery life with a battery level indicator(NOTE: batteries are NOT included). Smart auto-sleep mode saves power (battery life may vary based on user and computing conditions); Compatible with Windows 11/10/8/7/XP/Vista and Mac OS X / Linux / Android and iOS(13 and later versions). Note: on iPad, the bluetooth mouse cursor is displayed as a round dot instead of the arrow, and usb receiver is stored in the battery compartment of the mouse | 36 Months Support: If you encounter any problems in using the product, please feel free to contact our professional customer service team, enjoying TECKNET 36 Months Warranty (Registered Only)