Classic “ Must-Have” style Ergonomic design & comfortable grip GIGABYTE precise optical tracking system On-the-fly 800/ 1600 DPI adjustable Ideal for right-hand users Classic “ Must-Have” Style Get all the basics, & better! AIRE M77 assures all the basics, & more. It is the “IT mouse” in peripheral field! GIGABYTE Precise Optical Tracking System Equipped with GIGABYTE precise optical tracking system & reliable 2.4 G Hz wireless transmission technology, the mouse is so responsive & easy to control. You’ll find it hard to resist the charm! Stylish Design & Comfortable Grip Ergonomic design is ideal for right-hand users, while the non-slip, plastic panels on the side provide comfort & extraordinary h&-feeling, that is already more than satisfying to users. 800/1600 On-the-fly DPI Adjustable You may adjust DPI sensitivity anytime you want to by simply clicking DPI-adjusting button on the mouse. Low-Power Indicator When the battery is low, the low-power indicator would blink for 5 seconds, & then turn off. Personalize Your Mouse with GIGABYTE SIM Software You may download GIGABYTE SIM software from the official website, & then change button functions to suit your needs with simple clicks. Personalizing mouse button function is like mouse make-over. It helps to boost work efficiency, & make your mouse one-of-the-kind! Portable Nano Receiver Plug-&-play technology makes it effortless to use the mouse on different devices. Tiny nano receiver ensures great experience of traveling with your notebook all the time! Interface USB (Universal Serial Bus) / 2.4 G Hz Wireless Tracking System Optical Sensitivity 800/1600 DPI DPI Switch Yes Scrolling Std Vertical Side Buttons 2 Dimension (L) 100x (W) 63 x (H) 37 mm Weight 106g (excluding batteries) Transmission Distance 6~8M (in open site) Battery Life 8 months Color Black/ Dark Blue Packing Content mouse, AAA x 2pcs Software SIM OS Support Windows XP 32bit/ Vista/ Win 7 Certificate CE, FCC, BSMI, NCC Warranty 2 Years