[Excellent Compatibility]: This guitar pickup is specifically designed for acoustic guitars, making it the perfect choice for all types of wooden guitars. [High-Quality Sound Output]: Equipped with a 6.35 audio jack, this pickup allows you to directly connect to an amplifier or speaker, ensuring a clear and powerful sound output. [Advanced Tuning Functionality]: With its twelve-tone equal temperament LCD tuner, this pickup offers precise tuning capabilities, allowing you to achieve the perfect pitch effortlessly. [Enhanced Control and Convenience]: Featuring a main volume knob, battery low voltage detection, phase switch, and tuner toggle, this pickup provides convenient control over your instrument's sound. Additionally, the adjustable frequency range (/MIDDLE/TREBLE/PRESENCE) allows you to customize your tone to suit your preferences. [Easy Installation]: Designed for hassle-free installation, this pickup can be easily mounted on the side of your guitar, ensuring optimal positioning for capturing the true essence of your music. Specifications: Output: 6.35 audio head output Frequency Adjustable Range: /MIDDLE/TREBLE/PRESENCE Main Body: 6.9 x 4.8 x 2.7cm/2.7 x 1.9 x 1.1inch Opening Size: 6.2 x 4.1cm/2.4 x 1.6inch Color: Black Material: plastic Package Contents: 1 x Pickup Only the above package content, other products are not included. 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.