Meet The Needs Of Acoustic Guitars - Designed to meet the needs of acoustic guitars. The onboard preamp system features a soundhole mounted preamp with rotary controls for volume and tone._x000D_ Quick, Solder-Free Installation - The pickup comes standard providing a quick, solder-free installation.Suitable for all steel and nylon string guitars._x000D_ 100 hours Continuous Use - You can expect about 100hours of continuous use between battery changes._x000D_ Produce A Perfect Bass - Can make 12" or 14" small size guitar produce a perfect bass._x000D_ Great Gift for Music Lovers - Perfect for students, advanced players, Music Lovers, Children Gift._x000D_ Mouthpiece pickup, sound hole adjustment pickup_x000D_ Colour: Black_x000D_ Material: ABS + PVC + copper + iron_x000D_ Size: 58.9 * 47.4 * 25.3mm (L * W * H)_x000D_ Product Weight: 55g Package Contents:_x000D_ 1 x main body_x000D_ 1 x output socket_x000D_ 1 x sucker_x000D_ 1 x battery connection port_x000D_ 1 x battery pack_x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_