Cherub WST-670 Electric Guitar Tuner Pedal Clip for Mini LCD Display USB Tuners Rechargeable for Guitar Violin UkuleleOur guitar tuner has a built-in rechargeable rechargeable lithium battery. You can use the USB cable that comes with your PC or power bank to quickly charge it. With a single charge, it can be used continuously for more than 10 hours. After 5 minutes of no signal, the violin tuner can automatically shut down to save power; High-sensitivity vibration-based tuning, even in the presence of background noise, can ensure that the instrument is finely tuned in the flash. The clip on guitar tuner has the function of attention key, which can meet the needs of the most professional guitarists. You can place the screen in any way you want. The ukulele tuner has hardly any boundaries and has a large color LCD display that can be easily read even in dark environments. When the unit is in G (Guitar) tuning mode, briefly press this button to switch between guitar tuning (DROP D, OPEN G, OPEN D, OPEN E) and flat tuning (b, 2b). A4 value range: 440Hz.Tuning of objects: twelve equal temperaments, guitar, violin, ukulele. Tuning Accuracy: 1 Cent.Color: BlackMaterial: ABS + ElectronicSize: 49x26x40mmPackage Contents:1 x Guitar Tuner1 x USB Data CableOnly the above package content, other products are not included. Note: Light shooting and various displays