Dimensions: 6.7" (W) x 4.6" (H) x 1.3" (D)
Weight: 4.8 ounces (135 grams)
Battery Life: 200 hours of continuous turning or approximately 200,000 page turns
Applications: PDFs, Word, Powerpoint, Keynote, Web pages, iBooks/Kindle for PC, music reader programs
PC/Tablet Support: Any computer running Windows XP/Vista/7, Mac OS X/iOS, Android, or Linux
Kindle Support: None. Kindle hardware does not support Bluetooth or USB port
iPad Support: Works with any keyboard-compatible app, including forScore, unrealBook, Deepdish GigBook,  MusicReader, MusicPodium, OnSong, NextPage, Avid Scorch, Sheet Music Direct, Set List Maker, Scorecerer, Steinway Etude, Virtual Sheet Music, Teleprompt+, and Online Planning Center
Android Support: Works with any keyboard-compatible Android app, including MobileSheets, MusicNotes,     Moon+ Reader, and EBookDroid.
Pedal Modes: PageUp/Dn, Left/Right arrows, Up/Down arrows, Left/Right mouse click, Space/Enter
Power: 2 AA batteries or supplied USB cable (input: 100V-240V, 50/60 Hz; output: 5V, 500 mA).
Includes: Wireless Bluetooth pedal, Bluetooth USB micro adapter, and USB power cable.
USB: Supplied cable plugs into USB ports or any iPad/iPhone USB AC adapter.