Zoom H4n Pro Handheld Recorder, All-Black Edition | Guitar Center
Orba - A musical instrument designed for your hands by Artiphon — Kickstarter
This Handheld Musical Instrument Is a Palm-Sized Synth
Amazon.com: Kalimba Thumb Piano 17 Keys, Mbira Finger Piano Portable Musical Instrument Gifts for Kids and Adults Beginners (Mahogany) : Musical Instruments
M-VAVE 25-Key MIDI Control Keyboard Mini Portable USB Keyboard
Teenage Engineering OP-1 Field Portable Synthesizer