VOX APACHE2BBK 4-String Travel Bass Guitars with Built-In Amplifier and Rhythms APACHE I: VOX Teardrop body style and APACHE II: VOX Phantom body style, each with 4 Color Finishes Built-in amplifier with 4-Inch VOX speaker; Bright switch; Volume, Tone, and Gain controls 66 Onboard Rhythm Patterns; Tempo and Level controls, plus convenient E-String Tuner Basswood body; Maple neck; Rosewood fingerboard Up to 26 hours on six (6) AA batteries