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 hit the correct notes. 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 one-handed tuning, making it convenient for use on stage. Its lightweight, portable, and compact build makes it a practical choice for musicians who need reliable tuning on the go. 360 rotation for optimal viewing: The tuner includes a 360-degree rotating display, allowing adjustment to any angle for the best visibility. The clear LCD screen provides excellent readability, even in low-light environments, so you can monitor tuning adjustments accurately. Fast and accurate tuning performance: Equipped with advanced frequency detection technology, the tuner measures vibrations from A0 (27.5 Hz) to C8 (4186.01 Hz) with high precision. It delivers quick and reliable feedback, enabling efficient tuning for optimal instrument performance. Energy-saving automatic shut-off: The tuner features an automatic power-off function that helps conserve battery life by minimizing power consumption. This ensures the device remains ready for use when needed, reducing the need for frequent battery replacements. Package contents: 1 tuner 1 leather case 10 guitar picks Versatile application: Designed for use with string and wind instruments in F, B flat, and Eb. Compatible with guitar, bass, violin, ukulele, and banjo for accurate tuning. Clip-on design: Attaches easily 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 and provides fast, accurate feedback. Energy efficiency: Includes automatic shut-off to extend battery life.