The practice mute reduces volume by about 50% which doesn't disturb your neighbors or family | Put it on the top of bridge, easy to use | available for 4/4 violin | Dimensions: approx. 2 (L) x 0.5 (H) x 0.86 (W) inch (5.2 x 1.3 x 2.2 cm) | A necessary tool for violinist

Colorful LCD display, LCD display will show the string NO. and note; Yellow flat, Red means sharp. | Suitable for: Violin, Viola, Cello, Bass with Chromatic tuning mode; | Special big clip design, suitable big head of violins; More sensitive, easier control | Attaches to the instrument over the pegbox and out of the way; Easy for young and adult violinist to use immediately independently; | Battery: 2 XCR2032 (Included )

Big strong and solid professional clip on wind instruments tuner for saxophone, alto sax, tenor saxophone, tuba, harps | Clear colorful LCD professional display, easy to control | MIC & Vibration sensor, players can choose the tuning mode you wanted according your surroundings, more stable and accurate; A4 frequency: 430-450 Hz; | Key: C, F, B♭, E♭ (under chromatic mode);Tuning Range: 0G♯ - 8C♯ ; Battery: 2 x CR2032( INCLUDED) | Accurate and stable quality alto and tenor saxophone tuner, it much helpful for the saxophone player.