SWIFF A3-CS Rotatable Clip-on Tuner LCD Colorful Display Supports Vibration & Microphone Tuning for Chromatic Guitar Bass Ukulele Violin Features: Clip-on tuner designed for chromatic/ guitar/ bass/ ukulele/ violin. Supports 2 tuning modes: vibration & MIC. One button controls all functions, fast and convenient to operate. Colorful LCD display showing the tuning information clearly and vividly. One-handed 360° swivel clamp design, allows you to have the best viewing angle easily. Specifications: Color: Black Tuning Items: Chromatic/ Guitar/ Bass/ Ukulele/ Violin Tuning Mode: Vibration/ MIC Tuning Range: A0(27.5Hz)-C8(4186Hz) Flat: b, bb(guitar, bass) Key: C, F, Bb, Eb(Chromatic) Calibration: 410Hz-490Hz Tuning Accuracy: ±1 cent Power Supply: 1 * CR2032 Battery (not included) Item Weight: 25g / 0.9oz Package Size: 13.5 * 11 * 2.5cm / 5.3 * 4.3 * 1in Package Weight: 43g / 1.5oz Note: The instrument showed in the picture is not included. Package List: 1 * Tuner 1 * Users' Manual(English)