1. Reliable Wireless ConnectionThe Bluetooth wireless mouse allows you to connect up to 3 devices simultaneously via both 2.4G receiver and Bluetooth! You can choose your preferred connection method. You will have plenty of dom with the generous 10 meter (32 ft) range. 2. Comfortable Ergonomic DesignCarefully ergonomic design is very suitable for the size and contour of the palm. The curved shape of the optical mouse perfectly fits your palm and relieves fatigue caused by long term use. The materials is no harm to the skin. Let you have a comfortable using experience. Simple appearance and shape with a unique temperament. You can choose the color you like. 3. DPI Adjustable DesignThe laptop mouse has 3 Levels adjustable DPI(800/1200/1600). It can be ly switched, enabling more precise operation, which greatly meets your daily demands.Size:1025936 mm,weight:66.3g.You can easily put the small mouse into your bag. 4. Rechargeable Silent MouseThe powerful rechargeable battery can meet your daily use needs.Built in rechargeable battery, fast charging, so you needn't buy batteries for your mouse anymore. The silent button can reduce noise, which makes it an ideal wireless mouse for office, conference room, cafes, library.