... Quality 3.0 Mini Bluetooth Keyboard with Touch Pad 1, Adjustable DPI Touchpad 2, Virtual Scroll Wheel (page up and down ... battery 9, Real notebook Touchpad 10, Full QWERTY full-function mini keyboard 11, Ideal for lecturers, meeting presenters, teachers, sales ... or anyone giving a multimedia presentation.12, Bluetooth Versiion: Rii mini Ver 3.0 Compatible with:Operating System: Windows 2000, Windows ...