Features:Slim design, perfect for your Mac or other laptop.3D optical mouse, left/right button and scroll wheel.High speed: 800DPI to 1600DPI, use the small 'DPI' button to switchthe speed between 800DPI, 1000DPI and 1600DPI.No USB receiver needed if your computer already have Bluetooth.Support Bluetooth-enabled PC, laptop, for Macbook, it also compatiblewith iPad if your iPad is jailbreak.Compatible with windows 2000 and above,Mac OS X, iMac,Android 4.0.Ergonomic shape, special feel good.Sleep mode and On/Off switch for saving battery.Specifications:Material: ABSPower supply: 2 * AAA batteries Working voltage: 3VMax DPI: 1600DPIColor: White, blue, pink, black Work distance: 10m / 32.80ftItem size: 11.2 * 5.7 * 2.1 Item weight: 44g / 1.57ozPackage size: 11.8 * 6.2 * 3.6 Package weight: 91g / 3.23ozHow to use:1. Insert 2pcs AAA battery.2. Switch the mouse 'ON', the on/off button at the bottom of themouse.3. Press at the same time the left key, right key and the scrollwheel for 2-3 seconds. Red light will be on to indicate Bluetoothmode opening.4. Search the mouse in Bluetooth device and connect to it.