Features: All in Guitar Tuner, Metronome, and Pipe with 430 450Hz for Guitars, Violins, Bass, and Ukuleles. Features pickup modes on and adjustable metronome (30 260 BPM) in a compact 9.7x6.7x 1.6cm plastic body for precise tuning and rhythm practice. Designed for musicians, music teachers, and learners needing multi instrument support during practice or live performances. Optimized for home studios, stage setups, and outdoor rehearsals with noise adaptive pickup technology for clear detection. Your musical workflow with intuitive controls and portable design, ideal for guitar maintenance, band rehearsals, or classroom music education. Specifications: Plastic Dimensions: 9.7 x 6.7 x 1.6 cm Applicable instruments: twelve-rhythm guitar, bass, violin, ukulele Package Includes: 1 Guitar Tuner Sound (battery not included) 1 Pickup clip note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.