Wireless Bluetooth/USB pedal for turning the pages of digitized documents, collection of images or on the Web that is compatible with Windows, Mac, iOS, Android, or Linux, even with reader Kindle Fire HD. By pressing two pedals it allows turning or scrolling pages in different directions. It offers ergonomic design, extended time period of inactivation before entering sleep mode (30 minutes), backlight of the pedals, programmable modes (Up/Dn, Left/Right arrows, Up/Down arrows, Left/Right mouse click, Space/Enter) or using Bluetooth connectivity (version 3.0 and above) or USB cable. Power source are two AA batteries (life of approximately 200 hours) or USB cable. Included is a USB cable, Quickstart instructions for use. Dimensions: 173 x 147 x 35.5 mm, weight: 271 g.