1. Four-in-One Design for Tuner and Pick:This device works as both a tuner and a pick, so you do not need to carry separate tools. It helps you tune your instrument quickly and also lets you play with the built-in pick. This all-in-one design saves space and is perfect for musicians on the go. 2. Accurate Tuning with Clear LED Indicators: The tuner shows precise notes on a clear display, using green and white lights to tell you when the sound is correct. It responds fast to each string you play, making tuning easy and reliable for practice or performances. 3. Adjustable Pick Thickness for Personal Preference: With multiple thickness options like 0.50mm, 0.75mm, and 1.00mm on different corners, you can switch between them based on your playing style. This allows you to choose a thin or thick pick feel without changing devices. 4. Wide Compatibility with Various String Instruments: This tuner works with many instruments, including folk guitar, ukulele, bass, violin, and more. Whether you are a beginner or professional, it supports chromatic tuning for all notes, so you can use it for different types of music. 5. Easy to Use with Automatic Features: Simply press the button for two seconds to turn it on, and it shuts off automatically after no use to save battery. The compact size makes it easy to carry in a pocket or bag, and the clear instructions help you start tuning right away. Material: ABS Size: 5.5*0.8cm / 2.17"*0.32" Color: As shown Package Includes: 1 pc Pick Tuner