This 3-in-1 model combines a tuner, metronome, and tone generator, making it a convenient and multi-functional tool for practice. 【Key Features】 ・Clip-on design for easy attachment ・Compatible with guitar/bass/ukulele/violin ・Easy-to-read LCD screen ・Metronome function ・Tone generator function ・USB rechargeable (no battery replacement needed) ・Compact and easy to carry 【Condition】 New, unused *To fit within the Yu-Packet size restrictions, the item will be shipped without the box and wrapped in air-bubble packaging. Please let us know in advance if this is an issue.*