... , Adjustable DPI Touchpad 2, Virtual Scroll Wheel (page up and down control key) 3, 79 keys 4, 27 LED Backlights 5, 90 ... giving a multimedia presentation.12, Bluetooth Versiion: Rii mini Ver 3.0 Compatible with:Operating System: Windows 2000, Windows XP, Windows ... : DHL, UPS, HK Post ect. Delivery Time: 1-3 Days preparing time ; About 3-5 Days shipping leading time. More images of ...