Logitech Touchpad T650 review: Multitouch gestures on any Windows 8 PC, tablet - CNET
Amazon.com: Logitech Rechargeable Touchpad T650 with Windows 8 Multi-Touch Navigation - Black : Electronics
Gestures and multi-touch: Logitech T650 – frans goes blog
910-003059 Logitech Wireless Touchpad- T650 (Black), with Unifying receiver, USB Port, Rechargeable via usb cable, with 1 month battery life , Windows 7 and 8 compatible, on off switch and battery indicator