CLIP-ON CHROMATIC TUNER in Black . Genuine Cherry Music Black CT-33 (Clip-on Chromatic tuner) . Tuning: Chromatic/Guitar/Bass/Ukulele and Violin Tuner . To detect musical instrument's vibration by clamp pick-up . 360°flexible clamp delivers clear viewing from any angle when you are playing . Specifications: . Tuning Item: Chromatic . Calibration range: A4=430Hz——450Hz . Detection range: B0——B7 . Display: Bright Green / Red (LCD) . Power Supply: One CR2032(3v) Super value for money. FREE POSTAGE