FEATURES:LIGHT and ULTRA-THIN: Slim and light design. Made of ABS+PC material, it doesnt occupy USB port when used. The lightweight and portable designing is the first choice for travel.EASY to CONNECT: Suitable for all versions of Bluetooth device, The furthest connection distance can reach 15 meters, you only need to pair it with your device at the first time you use it, and when you use it second time, you just need to clicking the left or right mouse button.Touch to Scroll2-way touch scrolling for smooth, intuitive navigation.WIDECompatibleWorks with Bluetooth-enabled computers running Windows XP, VISTA, 7, 8 and 10.technology: BluetoothWireless distance: 10-15mWeight: 545gKey number:3Resolution: 1200dpiBattery:1*AAA batteryNot includingMaterial: ABSSystem requirement: Windows 2000/ 2003/ ME/ XP/ Vista/ Win7/ 8/ 10/ MAC OS/ LinuxModel:Battery model: use 2.4g receiver to connect, you need to bring your own AAA batteryBluetooth model: Bluetooth connection, Type C charging model built-in about 500mA battery Package included : 1*Mouse Gift