Suitable for a wide range of instruments: This tuner is ideal for string and wind instruments in the keys of F, B flat, and Eb. Whether tuning a guitar, bass, violin, ukulele, or banjo, this device offers precise tuning accuracy to help you stay in tune. It detects vibration frequencies and measures sound for accurate tuning, ensuring your instrument sounds harmonious. Easy tuning with clip-on design: The tuner features a clip-on design that attaches quickly and securely to your instrument. This allows for convenient one-handed tuning, making it perfect for use on stage or during practice. Its lightweight, portable, and compact build makes it a reliable choice for musicians on the go. 360 rotation for optimal viewing: The tuner includes a 360-degree rotating display, allowing you to adjust the angle for the best visibility. The clear LCD screen provides excellent readability, even in low-light environments, so you can monitor tuning adjustments with ease. Fast and accurate tuning performance: Equipped with advanced frequency detection technology, the tuner accurately measures vibrations from A0 (27.5 Hz) to C8 (4186.01 Hz). It delivers quick and reliable feedback, enabling precise tuning for optimal instrument performance. Energy-saving automatic shut-off: Designed for efficiency, the tuner features an automatic shut-off function that helps conserve battery power. This extends battery life and ensures the tuner is ready when you need it. Package contents: 1 tuner 1 leather case 10 guitar picks Versatile application: Compatible with string and wind instruments in F, B flat, and Eb. Supports guitar, bass, violin, ukulele, and banjo for accurate tuning. Clip-on design: Easily attaches to instruments for convenient, one-handed tuning. 360 rotation: Adjustable display for optimal viewing angles and clear visibility in various lighting conditions. Precise tuning: Detects frequencies from A0 to C8 with high accuracy for reliable tuning results. Energy efficiency: Automatic power-off function helps extend battery life.