Clip-on tuner with lithium-ion battery, usable for approximately 20 hours. - Brand: Fender - Model Name: FLASH 2.0 - Type: Clip-on Tuner - Battery: Lithium-ion battery - Charging Time: Approximately 1 hour - Operating Time: Approximately 20 hours - Tuning Modes: Guitar, Bass, Ukulele, Violin, Chromatic - Tuning Range: A0 - C8 - Display: Color LCD 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 it can be used for approximately 20 hours on a single charge. 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.