Wzxksoac 4 PCS Guitar Tuner Rechargeable Clip on Tuner for Guitar, Ukulele Accessories Kit Violin Suit for Professional or Beginners

The product can be and can be used continuously for more than 15 hours per charge. The tuner automatically powers off after 3 minutes of no signal, thereby saving energy. The product is made of high-quality materials, which are anti-skid and wear-, and have a very comfortable feel The product can rotate 360 degrees to enhance flexibility when using it. Can accurately debug in noisy environments and respond quickly. The products are suitable for Ukulele, guitar, , violin, Equal temperament.