Captouch Sensing A capacitive touch PCB sits below the fretboard, identifying your finger position in realtime and allowing for more nuanced play. Optical Pickups We designed our pickups to measure the interruption of light beams, instantly translating string movement into MIDI sound. Bluetooth & USB MIDI Building off of the BLE MIDI protocol we pioneered, the Jamstik will play fully wirelessly with the added option to connect via high-speed USB. Touch Sensitive Controls Touch sensitive navigational D-Pad & Shift button controls. Real Strings High-quality custom guitar nickel steel strings from D'Addario.