View this product description in Norwegian.

The PageFlip Dragonfly is a premium Bluetooth/USB four-pedal controller that can be used with select iOS/Android apps to instantly trigger up to four operations, including page turning, navigation among setlist songs, volume control, and play/pause multimedia content. The PageFlip Dragonfly is the most advanced quad pedal music page turner on the market. 

Dimensions: 7.0" (W) x 6.7" (H) x 2.2" (D)
Weight: 17.2 ounces (488 grams)
Battery Life: Lasts for 200 hours or approximately 200,000 page flips or scrolls
Connectivity: Wireless operation using Bluetooth 3.0, or wired operation using USB cable
Sleep Mode: Automatically enters sleep mode after 30-minutes of inactivity to preserve battery life. Press pedal to awaken within 3 seconds.
Pedal Modes: PageUp/Dn, Left/Right arrows, Up/Down arrows, Left/Right mouse click, Space/Enter
Programming: The five preset modes can be reprogrammed using our Windows 7+ (64-bit) or MacOS 10.9+ software.
Power: 2 AA batteries or supplied USB cable (input: 100V-240V, 50/60 Hz; output: 3V, 40 mA)
USB: Supplied power/data cable plugs into USB ports or any iPad/iPhone USB AC adapter