Description , high quality Specification: Colour: Black Tuning mode: Chroma (C)/Guitar (G)/Ukulele (U)/Violin (V) Detection range: A0 (27.50Hz)-C8 (4186Hz) Detection method: piezoelectric (clip) Reference tone: 440Hz Tuning accuracy: 1 point Power adapter: rechargeable built-in lithium battery 1. Accurate design and excellent performance: This tuner uses advanced microprocessors and highly sensitive piezoelectric sensors to ensure that your musical instrument is accurately tuned in flash. Built-in buzzer pickup for interference-free tuning. 2. Rechargeable lithium battery: ultra-low power consumption and automatic shutdown function can save energy and ensure the longest battery life. It can run continuously for more than 10 hours per charge. 3.360°rotating clamp: high-contrast LCD color display, with strong and flexible clamp, multi-angle view rotating clamp design and excellent visibility to achieve the best viewing angle. 4. Note key function: When the device is in G (guitar) tuning mode, short press this button to alternate guitar tuning (DROP D, OPEN G, OPEN D, OPEN E) and plane tuning (b, bb) Switch between). 5. Rugged and durable: This tuner is durable and durable. From the light use of music hobby to the serious abuse of touring performers on tour, it is very useful. Quality first, provide the best service. Customers are our friends. Stylish design, and high quality! Notes: 1. For photos, please allow slight chromatic aberration 2. Due to manual measurement, the size may be different Package Included: 1 tuner