Wireless Technology Works up to 30 feet of wireless distance. Operates on 12 different channels, each with 65, 536 different IDs. 4-Way Tilting Wheel Allows for vertical and horizontal scrolling. Enhanced Optical Engine Provides tracking accuracy and precision on different surfaces. Programmable Driver Easy-to-use user interface allows for full customization within seconds. Micro-switch With 10 million times lifecycle. Adjustable DPI Switch Adjustable cursor moving speed from 800 to 1600 DPI. Magnetically Storable Nano Receiver Ensures you will never lose your receiver again. Tiny and convenient to plug into to your laptop or tablet. Power On/Off Switch Maximizes your battery life up to 6 months. Specifications: Tracking Method: Optical Sensor Connectivity: 2. 4 GHz RF Wireless Technology Range: 30 ft (10m) Resolution: 800 / 1600DPI Buttons: 6 (Left & Right Mouse Button, Scroll Wheel/Middle Button, DPI Button, Forward/Back Button) Hand Orientation: Right Hand Orientation Power: 2AAA Batteries Dimension: 3. 75 x 2. 36 x 1. 4\" (95 x 60 x 35mm) Weight: 0. 12 lb. (57g) Colour: Black Certificates: FCC, CE, ROHS, WERCS, IC: 23351-XPACQ1