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 LOW DECIBEL MOUSE KEYS: Low decibel left and right mouse buttons, Suitable for libraries, conference rooms, coffee shops and other occasions 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 Wireless technology: BluetoothWireless distance: 10-15mProduct Size:110*60*20mmPackage size6*4*11 5CMWeight: 545gWeight after packing:100gKey number:3Resolution: 1200dpiOperating cycles: 1,000,000 cyclesBattery:1*AAA batteryMaterial: ABSSystem requirement: Windows 2000/ 2003/ ME/ XP/ Vista/ Win7/ 8/ 10/ MAC OS/ Linux