【 for MINI tuner for violin】 specifically designed for violin, viola, cello, and double bass. Compact and refined appearance, easy to carry. 【-on and portable】 comes with a silicone pickup clip, easily attachable without harm. Small size and lightweight for extreme convenience. 【360 degree rotating design】 allows adjustable angle for visibility and ease of use. Tailored to match specific needs. 【Quick and easy tuning】 provides fast and accurate results. Compatible with various instruments such as violin, viola, cello, and double bass. 【High compatibility and performance】 wide range from A0 (5Hz) to C8 (4186Hz). Selectable for A4 frequency between 430Hz and 450Hz, powered by a long-lasting battery.