TUNE — 精密音具

Precision musical instrument. TUNE is a chromatic tuner, metronome, and reference tone generator — designed with the rigor of a precision instrument. No ads. No subscription. One-time purchase. — CHROMATIC TUNER High-accuracy pitch detection. Large note display. ±50 cent offset bar. Concert pitch adjustment (A4 = 430–450 Hz). Multiple visualization modes. Haptic feedback when in tune. — METRONOME 20–300 BPM. Accent pattern editor. 4-level swing. Tap tempo. Multiple visualization modes. Haptic click on every beat — practice without disturbing others. — RAMP Gradual tempo change for structured speed training. Set start and end BPM, step increment, and hold duration. The metronome adjusts automatically. BPM knob stays live with directional range arc. — REF TONE Reference tone output for tuning by ear. Any note from C2 to C6. Three waveforms: SINE, STRING, ORGAN. Pair with the tuner for visual + auditory precision. — BUILT TO LAST Industrial interface. No rounded corners. Monospaced numerals. Dark mode. Landscape support for music stands. Every detail considered. Nothing unnecessary added.