Clip-on tuner with a lithium battery that provides 20 hours of use. - Brand: Fender - Model: FLASH 2.0 - Features: Rechargeable clip-on tuner - Battery: Lithium battery (20 hours of use) - Tuning Modes: Guitar, Bass, Ukulele, Violin, Chromatic - Tuning Range: A0 (27.5Hz) ~ C8 (4186Hz) The Flash™ 2.0 rechargeable tuner features a faster-response tuning engine and a bright screen, making it a clip-on tuner that allows for accurate tuning from any angle. The Flash™ 2.0 employs a high-precision engine that detects instrument tuning even in noisy environments, and its rechargeable design is also environmentally friendly. With a tuning accuracy of +/-1 cent, it features a variety of open tuning modes, which is rare for clip-on tuners. The two 360-degree rotating joints and a 120-degree rotating hinge allow for flexible placement on the instrument's headstock, and the highly visible, bright color LCD display can be viewed from any angle. A micro USB charging cable is included, and a single charge provides approximately 20 hours of use. The auto-shutoff function maximizes battery life. It supports chromatic, guitar, bass, ukulele, and violin tuning, and features tuning modes for semitone, whole tone, open G, D, and E. Features Rechargeable lithium-ion battery 20 hours of continuous use, automatically shuts down after 10 minutes Supports guitar, bass, ukulele, violin, and chromatic tuning Supports alternate tunings such as open G, D, E, ♭, and ♭♭ Tuning range: A0, 440Hz calibration Highly visible LCD display Micro USB cable included Thank you for viewing. Thank you for viewing.