Feature: 1. [Versatile Tuning Modes] This guitar tuner offers multiple tuning modes for chromatic, guitar, bass, ukulele, and violin, catering to a variety of instruments including electric and acoustic guitars, bass, ukulele, and violin. 2. [Bright LED Display] The digital guitar tuner features bright color LED screen, providing a clear and intuitive interface for easy tuning. 3. [Fast and Accurate Tuning] This tuner can quickly detect the vibration frequencies produced by different instruments, providing rapid and accurate tuning results. 4. [User Friendly] The 360 degree rotatable clip allows for easy positioning of the screen in any desired orientation, making it ideal for musicians of all levels, from beginners to professionals. 5. [Auto Shut Down] If there is no continuous operation after 3 minutes of startup, the tuner will automatically shut down, extending usability. Specification: Item Type: Guitar Tuner Material: ABS Tuning Items: 12 tone equal temperament, guitar, bass, violin, ukulele A4 Frequency: 440HZ Tuning Error: ±0.5 semitone Battery: 40mAh LIR2032 button cell x 1 (rechargeable) (built in) Note: CR2032 battery can also be used, do not recharge when using non rechargeable battery . Package List: 1 x Guitar Tuner 1 x Charging Cable 1 x User Manual