1、2.4G Wireless transmission technology 2、10m/33ft wireless receiving distance 3、Third gear movement speed adjustment design 4、Quiet and elegant office wireless mouse 5、High resolution: Max 1600 movement speed high resolution for fluid motion 6、Fashionable slim design: Slim design for sleek look and portable use The 2.4G wireless mouse has 10m/33ft transmission. Silent click gives you a quiet working environment and will not disturb others. Built-in rechargeable battery works for long-lasting time. It is superb for oofice work and student study use. Features: 2.4G Wireless Transmission Technology 10m/33ft wireless receiving distance Third gear DPI adjustment design Quiet and elegant office wireless mouse High resolution: Max 1600 DPI high resolution for fluid motion Fashionable slim design: Slim design for sleek look and portable use Specification: Model: M80 Color: Black/White/Gray/Gold/Rose Gold/Silver Material: ABS Key life: 5 million times Wireless distance: 10m Work: Photoelectricity Battery capacity:500mAh（Chargeable lithium battery） Charging cable length: 25cm Project Type: Ergonomics Optical Mouse Resolution: 800,1200,1600. (1200DPI Default) Operation Mode: Opto-electronic Rated voltage / current: 3.7V / 18mA Power Type: Rechargeable（Charging time 2h，Working time 150h） Type: 2.4Ghz Wireless mouse Buttons: 2 Buttons and 1 Round (Middle Mutton) and DPI key System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest Item size: 11.2 * 5.8 * 2.5cm / 4.41 * 2.28 * 0.98in(L * W * H) Item weight: Approx.67g / 2.36oz Package size: 12.2 * 8.3 * 4.3cm / 4.80 * 3.27 * 1.69in(L * W * H) Package weight: 102g / 3.60oz Package list: 1 * 2.4G Wireless Mouse 1 * USB Receiver 1 * USB Charging Cable(25cm) 1 * 2.4G Wireless Mouse 1 * USB Receiver 1 * USB Charging Cable(25cm)