ammoon Ukulele Ukelele Uke Piezo Pickup Preamp 3-Band EQ Equalizer Tuner System with LCD Display

Specifications: Material: Plastic Input Impedance: 22M? Frequency Response: 20Hz-20KHz Control range: Bass --±12dB at 100Hz                       Middle--±12dB at 300Hz                       Treble --±12dB at 10KHz Power supply: 2 * CR2032 Batteries (not included) Item Size: 5 * 4 * 3cm / 2 * 1.6 * 1.2in; 3.2 * 3.6 * 3.1cm / 1.3 * 1.4 * 1.2in Package Weight: 60g / 2.1oz Note: Batteries are not included. Package List: 1 * Pickup System