Description 2.4G wireless freedom and incredibly silent clicks! plug and play come with a space-saving receiver that can be plugged into your computer's USB port when in use. Allow ease of storage in the back of mouse. note: 1.The Nano receiver is stored under the back of the mouse. 2. The left and right button of the mouse are quiet (relatively quiet not absolutely). the scroll is silent when you roll it, but it will make a sound when you press it. 3.To ensure a better signal transmission, please confirm that there's no obstacles or electromagnetic Wave around the mouse.4.Please kindly understand that battery lifespan may vary with different user habit and battery capacity. package included: User manual x 1wireless mouse x 1Nano receiver x stored under the back of the mouse) Features & details SLIM AND PORTABLE DESIGN. Slim and lightweight mouse is perfect for traveling light. It can be easily put into your laptop bag. The Nano receiver can be stored in the back of mouse when not in use. Comfortable Fit and Noiseless Click. Streamline design wireless mouse offers your hand maximum support for lasting comfort. Quiet clicks free your worry about bothering others and keep you stay focused while working. Anti-fingerprint and sweat-resistant finish makes it skin-friendly for constant use. 2.4G WIRELESS TRANSMISSION AND 1600 DPI. 2.4G wireless transmission allows working distance of up to 15m. 1600 DPI make it track more smoothly over a variety of surfaces. Allow you to gain more precise control. 3-STAGE ENERGY-SAVING MODE. To save energy, it will auto shut off within 3seconds/10 seconds/30 minutes of inactivity. WIDE COMPATIBILITY. Work with Windows7/8/10/XP, Vista7/8, Linux and Mac OS. Ideal for work or entertainment in home and office.