Mice & Trackballs Features: 1. Stable 2.4GHz wirele connection: The small wirele receiver (stored on the back of the mouse) provides stronger anti-interference ability, faster transmiion speed and more reliable connection, up to 10 meters long, no need for extra cables and Drive. Just plug it in. 2. Long-lasting quality and power saving: High DPI movement resolution allows the mouse to track on almost any surfaces. Rated for 5 million comfortable clicks. Go to sleep mode to save power after 8 minutes of inactivity, and wake up easily with the click of any button. Requires 2 AAA batteries (not included). 3. 3 adjustable DPIs: 800, 1200, 1600 DPI, easily change cursor sensitivity according to your activity. A computer mouse comes with a receiver. You can plug and play wirele notebook mouse directly without any driver. 4. Best Feel: The wirele mouse's slim profile, sweat-resistant and skin-friendly surfaces provides maximum comfort and support. Wonderful ring and pinky finger support provides extra comfort. Sturdy rollers ensure your hands won't slip when rolling. 5. Portable and Quiet: Store the USB receiver inside the wirele mouse when not in use. Carry it with you, such as at home, office, coffee shop, etc. Responsive buttons provide smooth clicks with le noise. Description: This ultra-thin mouse can easily be stored in a laptop bag, making it ideal for travel and suitable for right- or left-handed users. Ergonomic design, stylish appearance and comfortable hand feeling. Optical positioning, more accurate positioning. Smart mini receiver, automatic connection, no need for cumbersome code pairing. There are as many as 16 million ID coding designs to enhance the anti-interference feature of the mouse. Specifications: Material: ABS Size:11.5*6*2.2cm Battery: 2 AAA battery (not included) Wirele transmiion frequency: 2.4GHz Working distance: 10 (m) Number of keys: 4 (keys) Wirele carrier frequency: 2402MHz-2480MHz Wirele working channel: 16, automatic frequency hopping Rated working current: 8-15mA@3V Button travel: 0.8mm Key strength: 60-7010g Package Included: 1 pc * Wirele Mouse 1 pc * USB Receiver Notes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.