Korg nanoKontrol Studio

Controller 8 knobs, 8 siders, 32 buttons ([Mute/Solo/Rec/Select] x 8) Transport buttons (Beginning/Stop/Play/Rec/Rew/FF), Track (< / >), Cycle, Marker (Set / < / >), Scene Scene Memory 5 Connections USB jack (micro B type) Wireless Type Bluetooth Low Energy (Apple Bluetooth Low Energy MIDI specification compliant) Power Supply USB bus power (when connected via USB)
Two AAA batteries (when connected wirelessly; use alkaline or nickel-metal hydride batteries) Battery Life Approximately 10 hours (with the factory settings, when using alkaline batteries)
* Battery life will vary depending on the batteries used and on the conditions of use. Power Consumption Less than 500mA Dimensions (W x D x H) 278 mm x 160 mm x 33 mm / 10.94" x 6.30" x 1.30" Weight 459 g / 1.01 lbs. (without batteries) Included Items USB cable, KORG Software Bundle code, two AAA Batteries for checking operation.