This vintage Qwik Time QT-3 quartz metronome provides reliable rhythm control. Includes original packaging and instructions for a nostalgic touch. ? LCD display for tempo settings ? Adjustable tempo range: 40-250 BPM ? Built-in earphone jack for personal use ? Compact and portable design ? Includes original box and manual READ Box shows slight wear, metronome in good visual condition. Untested. I am unsure how to test so selling untested. vintage metronome, quartz metronome, qwik time device, music practice tool, compact metronome, tempo controller, musician tool, retro music gear, adjustable metronome, earphone capable, music accessory, rhythm trainer, portable rhythm device Thanks for looking at my page! I love to sell cool unique vintage, boho, mid century modern pieces! Also selling name brand used clothing new items (in all sizes)! If you have any questions please feel free to message me! I also love sending offers so make sure you like this listing if you would love to own it! I always ship fast pack items with care! Over 2,000 5 star reviews on other platforms! Happy Shopping!