LIGHT and ULTRA-THIN: Slim and light design. Made of ABS+PC material, it doesn't 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 Scroll：2-way touch scrolling for smooth, intuitive navigation. WIDECompatible：Works with Bluetooth-enabled computers running Windows XP , VISTA, 7, 8 and 10. Wireless technology: Bluetooth Wireless distance: 10-15m Product Size:110*60*20mm Package size：6*4*11.5CM Weight: 54±5g Weight after packing:100g Key number:3 Resolution: 1200dpi Operating cycles: 1,000,000 cycles Battery:1*AAA battery Material: ABS System requirement: Windows 2000/ 2003/ ME/ XP/ Vista/ Win7/ 8/ 10/ MAC OS/ Linux