High Versatility Tune-Up: This Clip-on digital tuner comes with default settings for tuning diverse instruments like the guitar, bass, violin, ukulele, and mandolin, making it an essential tool for any string music enthusiasts or . A chromatic function is also available catering to an even more extensive range of musical instruments. Auto Power-Off Function for Extended Battery Life: The tuner hosts an automatic power-off function that triggers after 3 minutes of inaction, preserving battery life for extended usage. You no longer need to worry about forgetting to power it off after a long session of tuning or playing, thus saving on battery replacement. Made of high-quality ABS material, your experience will be better Very suitable for people who like to use guitar, ukulele and other musical instruments Thank you very much for viewing this product Colour:Black Material:ABS 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.