Pandora Personal Effect Processor for Bass.

Datasheet:
Effect variations: 39 types
Simulataneous effects: Up to 7
Number of programs: 100 (50 preset / 50 user)
Rhythm & bass patterns: 50
Input: Bass input (phone jack), AUX IN (mini stereo jack)
Output: Line/headphone shared output (stereo phone jack)
Tuner detection range: 27.5 Hz-2093 Hz (A0-C7)
Metronome tempo: 40 - 208
Batteries: 4 x AAA size alkaline batteries, providing up to 9 hours of continuous operation, or separately sold AC adapter
Dimensions: 118(W) x 72 (D) x 24(H)mm / 4.6"(W) x 2.8"(D) x 0.9"(H)
Weight: 138g / 0.3 lbs. (including batteries)