Feature●【Package Content】- 1 Pack of Guitar Tuners. Suitable for tuning guitar, bass, violin, ukulele, and more. Perfectly designed for acoustic, chromatic, and electric instruments. A must-have accessory for musicians.●【Multi Modes Can be Used】- Chromatic, Guitar, Bass, Ukulele, and Violin. Package includes 1 pack of guitar tuners.●【Quick & Accurate Tuning】- The tuner can quickly sense the vibration frequency and respond with high speed for accurate tuning.●【Perfect Sound】- Clamps the strings tightly and evenly, eliminating buzzing noise and providing excellent intonation. Customize your music with precision.●【Quick Release】- Spring-loaded design allows for easy release and rapid repositioning, making it convenient to experiment with different keys.●Please note: This product does not come with a battery, you need to prepare your own CR2032 batteryDescription