Product Features Modern design - With a stylish look and ultra-thin profile, this mouse perfectly complements your desktop for that sleek and sophisticated look Bluetooth Smart - Enjoy wireless freedom and a clutter-free desk with a mouse that utilizes the latest in Bluetooth 4.0 technology to connect to your computer for a reliable experience BlueTrack Technology - Move your mouse with confidence using BlueTrack technology, which combines the power of optical with the precision of laser for remarkable tracking on virtually any surface. Designed for either hand - An ambidextrous design allows you to control your mouse in either hand, making it the perfect fit for just about any user. Up to 6-Month Battery life - With up to a six month battery life, you can confidently use your mouse without having to worry about changing the batteries. Plus, a battery status indicator tells you when battery power is low. Includes Mouse Specifications Color: Black Interface: Bluetooth Wireless Range: Up to 32 ft. Tracking System: BlueTrack Technology Power Source: 2 AAA Batteries (included) Battery Life: Up to 6 months Dimensions: 4.22" x 2.36" x 1.02" (L x W x H, Approx) Weight; 2.82 oz. Condition:Used Like New