Feature: 1. Multifunctional 2 in 1 guitar capo, suitable for acoustic guitar, electric guitar and ukulele. 2. The 48N strong carbon steel spring and the maximum expansion angle of 112° make the capo durable and easy to use. 3. The soft silicone pad covers the entire contact area and will not scratch the guitar. 4. Using the third‑generation processor for faster and more accurate adjustments, the RGB LED display can easily obtain information. 5. The built‑in rechargeable battery can work continuously for 7 hours after being full charged. Specification: Item Type: Guitar Capo TunerAdjustment Mode: 12-scale chromaticity mode Tuning Range: A0 (27.5Hz)-C8 (4186. OHz) Accuracy: ±1.5 cents A4 Sound Frequency: 440Hz Specifications: Frame: Zinc Alloy Steel Neck Guard: Silicone Tuner Part: ABS Surface Treatment: Chrome plating Spring Specifications: Material: Carbon steel Strength: 48N Battery Specifications: Capacity: 40mA Charging Time: 1 hour Use Time: 7 hours Charging Port: For Android USB type B charging port Size and Weight: Size: LWD: Approx. 91 x 69 x 12mm / 3.6 x 2.7 x 0.5in Weight: Approx. 66 g / 2.3 oz . Package List: 1 x Tuning Capo1 x Data Line1 x User Manual 2 x Pick1 x Capo Box