Check the listing for details. Digital Metronome Electronic Metronome, Small Size, Colour LED digital black. Color: digital black, Condition: New, Made in China. Listed at 31.75 USD. Digital Metronome Electronic Metronome, Small Size, Colour LED digital black Product Details Item Weight: 7 ounces Package Dimensions: 5.87 x 3.15 x 2.01 inches Country of Origin: China Item model number: Y350 Batteries: 3 AAA batteries required. (included) Color Name: digital black Battery type: Alkaline 【COMPACT AND PORTABLE】Small size and light weight, easy to carry, high precision, suitable for beginners and professional players! EASY OPERATION: Smooth, fast and intuitive operation with high-resolution LCD color display and smart buttons! 【EASY TO OPERATION】Smooth, fast and intuitive operation with high-resolution LCD color display and smart buttons! 【MULTIPLE BEAT SOUND】The metronome sound can be switched between vocal and electronic sounds to meet different scenarios. The metronome is equipped with a 3.5 mm headphone jack, so you can focus on practicing away from outside distractions! 【Digital METRONOME PARAMETERS】Tempo:40-208 bpm, 0-9 in 10 beat modes, 9 rhythm modes; Timer function makes practicing more regular and efficient; Volume adjustable from 0 to 75db, suitable for ukulele, guitar, piano, drums, cello, saxophone and so on. 【TWO POWER MODES】Runs on 3 AAA batteries (included) for on-the-go convenience. Can be used at home by connecting to a power source via Type-C (included) (product does not have a built-in rechargeable lithium battery, the metronome will stop working when disconnected)