Keep a steady tempo, build reliable timing, and get consistent practice results — from beginner lessons to professional rehearsals. Key benefits Precise, wide speed range: adjustable from 10 to 208 per minute (BPM) to match slow exercises, metronome drills, and fast passages across skill levels. Durable controls: a metal button resists breaking and rust, and a smooth slider provides stable, repeatable speed adjustments for dependable practice. Long-lasting, accurate movement: full metal movement made of pure copper delivers stable rhythm accuracy and consistent performance over many practice hours. Broad compatibility: works with piano, guitar, guzheng, violin, bass and erhu, making it a single metronome that supports a wide range of instruments and styles. How it solves common practice problems Eliminates tempo drift during practice so you internalize accurate timing. Replaces unreliable digital batteries or fragile parts with a mechanically stable, metal construction. Provides a single, easy-to-use tool for multi-instrument households, teachers, and ensemble members. Practical applications Practice sessions: keep steady tempos for scales, arpeggios, etudes and technical exercises on piano, guitar, violin or erhu. Rehearsals and ensemble work: set a consistent pulse for bass lines and accompaniment parts to improve group cohesion. Traditional instrument practice: maintain precise timing for guzheng and other plucked or bowed instruments during lessons or performance preparation. Features at a glance Speed range: 10–208 per minute (BPM) Adjustment: stable sliding speed control Controls: robust metal button resistant to rust and breakage Movement: full metal, pure copper mechanical movement for reliable rhythm accuracy Compatibility: piano, guitar, guzheng, violin, bass, erhu A reliable mechanical metronome designed for steady tempo control, durable operation, and versatile use across multiple instruments.