Feature 1: Built-in tuner (mutes output signal when in use)
Feature 2: 2 color display
Feature 3: Easy-to-reach battery compartment
Controls: tone, volume, and frequency
Powered by: 2x CR2032 coin cell batteries
Including: piezo pickup (ukulele) output/battery compartment device and cable clamp
Preamp Type: Ukulele
Color: Black