Versatile: This tuner is compatible with a variety of instruments, including acoustic and electric guitars, bass, violin, and ukulele. It also has a chromatic mode for tuning other string, brass, or woodwind instruments. The rotatable mechanism and large clip opening allow for easy attachment to almost any instrument. Fast, Accurate & Easy to Use: Equipped with a highly sensitive piezo sensor, this tuner quickly and accurately detects the instrument's vibrations through direct contact, ensuring precise tuning without interference from surrounding noise. Its user-friendly interface makes it suitable for beginners and professional musicians alike. Turn it on, clip it on, and you're ready to tune. Automatic Power-Off & Memory Back-Up Functions: Designed with ultra-low power consumption, this tuner automatically powers off to conserve battery life. Additionally, the memory back-up function retains all settings even when the tuner is powered off. Part Name: Guitar Tuner Size: 0.42x26mm Color: Black Material: Electronic Package Contents: 1 * Guitar Tuner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.