Portable and easy to carry: lightweight, compact mechanical metronome you can take to rehearsals, performances, music classes or the practice room. Designed for musicians who need a reliable tempo reference on the go. Solid construction for steady timing: mechanical metronome with a full metal movement made of pure copper. The durable metal movement delivers stable, reliable rhythm accuracy for consistent practice sessions. Wide, adjustable tempo range: supports speed settings from 10 to 208 beats per minute (BPM), covering very slow practice through fast passages. Suitable for beginners learning basic timing and for advanced players refining complex rhythms. Broad instrument compatibility: works with piano, guitar, guzheng, violin, bass, erhu and other acoustic or electric instruments. Use it for individual practice, ensemble rehearsals, or classroom demonstrations. Practical benefits and how it helps: Improves timing and steady pulse during scales, études and sight-reading. Builds consistent tempo control for solo and ensemble performance. Eliminates guesswork about tempo when learning new pieces or working on difficult passages. Use scenarios: Practice at home: set a precise BPM to slow down difficult passages on piano or violin, then gradually increase speed as accuracy improves. Rehearsal or performance venue: bring the metronome to ensemble rehearsals or backstage to confirm tempo before performing. Music lessons and classroom: teachers can demonstrate tempo, subdivision and rhythmic patterns for students on guitar, guzheng or erhu. Key attributes at a glance: Type: Mechanical metronome Movement: Full metal movement made of pure copper Tempo range: 10–208 BPM Compatibility: Piano, guitar, guzheng, violin, bass, erhu, and other instruments Portability: Lightweight and easy to carry This metronome provides a durable, accurate and portable tempo reference to support regular practice, ensemble coordination and performance preparation without relying on electronics.