Moondrop Old Fashioned 40mm On-Ear Headphone with 0.78mm 2pin Open-Back Headphone HP 80 With Q10 and NutriFiller technology:

With Q10 and NutriFiller technology: Q10: Reactivates the production of essential keratin and thus supports the growth of healthy and strong hair

ensuring a long-lasting and memorable finish

Battery Life: With an integrated 39

model number: ‎0633911744833

Moondrop Old Fashioned 40mm On-Ear Headphone with 0.78mm 2pin Open-Back Headphone HP 80 With Q10 and NutriFiller technology:Open back Retro Design Premium Sound Quality Classical comfort, timeless tones 40mm large dynamic driver high damping coefficient diaphragm Optimized for open back soundstage design Ergonomic Fit, Adaptive Comfort, Telescopic head band, Multi Axis Swivel Hinges 0. 78mm 2pin Interchangeable cable, Expand the use scenarios Modular Detachable Design, The earcups and headband are designed to be detachable.