The "Air Blue - Guitar Pickup" was designed exclusively by ANUENUE The Discrete Class A Circuit output clear, natural sound without losing the original sound of the guitar. Adopts a lightweight coin battery with low noise and low power consumption. The undersaddle piezo pickup picks up delicate string vibrations and an air microphone built into the internal foundation and the blend control adds a rich acoustic sand in the sound hole. Controls are intuitive control master volume and microphone sound blend. -Spec- Top : Solid Sitka Spurce Side : Mahogany Back : Mahogany Headplate : Mahogany Tuner : Gear Pegs Neck : Mahogany Bridge : Rosewood Nut / Saddle : Buffalo Bone Nut Width : 43mm Fingerboard : Rosewood Scale Length : 24" / 610mm String : Daddario EXP16 Pickup : aNueNue Air Blue Finish : Semi-Gloss Bin. ding : Rosewood Gigbag : Deluxe Gigbag