3-Year of Battery Life: This wireless optical mouse features an auto-sleep power-saving mode and on/off swicth so you can enjoy up to 3 years of charge. Designed for Comfort: Sculpted with comfort in mind, your wireless computer mouse fits naturally and ergonomically to your right hand. Controls are within your reach. Extra Productivity: Forward and Back thumb buttons let you quickly switch from page to page on the internet. Dual-mode scrolling lets you switch between speed and precision with a click so you can fly throug long files. Scroll at Hyper-Fast Speed: This cordless laptop mouse allows you to scroll quicker than ever before, remaining precise while navigating webpages and documents. Universal compatibility: One tiny unifying receiver pairs up to six devices, creating a convenient and clutter-free workspace. Just plug the receiver into your USB-slot and your mouse will be ready for use whenever and wherever the need arises. Compatible with any computer OS such as Windows or Mac Works With Chromebook : This product is tested and certified as Works With Chromebook, which means it meets Google’s compatibility standards and works seamlessly with your Chromebook. Logitech® Marathon Mouse M705 lets you power on... and on. It uses far less power than comparable wireless mice from other companies, so you'll go up to three full years between battery changes.* And it uses a tiny wireless receiver that stays plugged in to your computer, so your mouse is ready to go-whenever, wherever, and for as long as it takes. Plus, hyper-fast scrolling means you'll fly through long documents to find what you need in a flash. Laser grade tracking means you'll get smooth, responsive cursor control. And the sculpted, right-hand shape means you'll be as comfortable finishing up as you were getting started. Mouse Purpose Office Device interface RF Wireless Movement detection technology Optical Movement resolution 1000 DPI Scroll type Wheel Number of scroll wheels 1 Scrolling directions Vertical Buttons quantity 5 Buttons type Pressed buttons Button functions DPI switch, Forward, Back Frequency band 2.4 GHz Design Form factor Right-hand Ergonomic design Yes Product colour Charcoal Surface coloration Monochromatic Ergonomics Wireless range 10 m Power Power source Batteries Number of batteries supported 2 Battery type AA Battery technology Alkaline Service life of battery 36 month(s) System requirements Windows operating systems supported Windows 10, Windows 7, Windows 8 Mac operating systems supported Mac OS X 10.11 El Capitan Other operating systems supported ChromeOS Weight & dimensions Width 71 mm Depth 109 mm Height 42 mm Weight 135 g Receiver width 1.87 cm Receiver depth 6.1 mm Receiver height 1.44 cm Receiver weight 1.8 g Packaging data Quantity per pack 1 pc(s) Package width 50 mm Package depth 76 mm Package weight 179.5 g Package height 136 mm Packaging content Receiver included Yes Wireless receiver interface USB Type-A Receiver type Nano receiver Unifying receiver Yes Batteries included Yes Logistics data Country of origin China Harmonized System (HS) code 84716070 Master (outer) case width 144 mm Master (outer) case length 260 mm Master (outer) case height 167 mm Master (outer) case gross weight 1.88 kg Other features Packaging content Wireless mouseLogitech Unifying receiver2 AA batteriesUser documentation3-year manufacturer’s guarantee