Rechargeable Wireless Mouse, Bluetooth or 2.4 GHz with USB UnifDual Mode Wireless MouseConnect the wireless mouse via the included 2.4GHz USB unifying receiver or Bluetooth. Multi-Device Pairing Mode, iSTYLE dual mode wireless mouse will pair up to two different PC or laptop devices and and easily switch between them with the touch of a button Rechargeable Optical MouseSupplied with a USB cable for recharging, no more need for extra AAA battery, you can use it even while charging. It offers up to 30 days of power on a single full charge, standby for 120 days. Energy-saving features, automatic sleep mode and wake-up mode are installed to save energy. The mouses battery may be exhausted due to long-term transportation, Please charge the mouse after received and keep the mouse power switch in ON position when charging. 3 Level Adjustable DPIUsing high-performance optical chips, 3 DPI switches (800, 1200, 1600) change the speed of the mouse freely, can be applicable to all kinds of games, accurately tracking. Ergonomic design fits the hand well, bring comfortable using experience. Wont feel any unease even use for a long time. Wide CompatibilityRequirement: Devices with USB interface or bluetooth. Connection automatically every time when open your computer (can compatible with bluetooth 5.0 / 4.0 / 3.0 / 2.0 ). If you use wireless mouse on iPad/iPhone, please upgrade IOS to 13 or higher. Connecting to Windows system requires Windows 10.0 or above. It can works with Windows/ MAC OS/ iOS/ Android system. Portable Slim and light 50g mouse, Easy to control and store in a laptop bag, which is perfect to take it with you. Package content: 1* Wireless Mouse, 1* USB Receiver(Packed in the back of mouse),1* USB Cable. NOTE 1. The product size is measured manually, and there will be a 2mm error due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products~