Product Information: The nanoKEY Studio provides a keyboard, knobs, trigger pads, and touch pad that lets you instantly convert your inspiration into sound. It is battery operated and can connect wirelessly to iPhone/iPad or Mac/Windows. Its a compact, mobile MIDI keyboard that is easy to travel with, allowing ease of use anytime, anywhere. Product Features: Warranty period: 3 years 25-key Keyboard with velocity sensitivity (four velocity curve) 8 trigger pad (velocity sensitivity is supported, four velocity curve) USB jack (micro B type) Bluetooth Low Energy (Apple Bluetooth Low Energy MIDI specification compliant) USB bus power (when connected via USB) Battery Life: Approximately 10 hours (with the factory settings, when using alkaline batteries) Dimensions (W x D x H): 278 mm x 160 mm x 33 mm / 10.94" x 6.30" x 1.30" Weight (without batteries): 471 g / 1.04 lbs. (without batteries) Included Items: USB cable, KORG Software Bundle code, two AAA Batteries for checking operation For more information and specifications, please refer to the manufacturers website