Digital Clip On Tuner for Guitar USB Rechargeable 360 Rotating Electronic Tuner White Features: Simple and accuracy, clip-on tuner for ukulele, violin，guitar . Clear LCD digital display with a good backlight making it simple to read. With 360 degree rotating clip, you can adjust the angle you want. Light weight and compact size, great for music teachers, professional and beginning player. With our tuner, you will not have to worry about your guitar being out of tune ever again, allowing you to focuses on playing your best. Specifications: Materials: Plastic Color: Redness/Black/Blue/White Size: about 79x31mm/3.11x1.22inch Pick up range: A0-C8 Sound score display: ± 50 Package Includes: 1pc Guitar Tuner note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.