ACEFAST Acefast AceFit Air Open Ear Headphones, Wireless Earbuds with Rich Bass, Bluetooth 5.4 Sports Headphones with Charging Case, 32H Playtime Earbuds IP54 Waterproof for Running, Cycling, Walking, Workout

Ultra Thin& Ultra Comfort: Crafted with durable Ni-Ti memory wire and coated in supermolecular liquid silicone, the ultra-slim 0.7mm earhook redefines minimalism—thinner than the 0.9mm standard. Lightweight, silky-smooth, and flexible, it’s built for all-day comfort, fitting perfectly to every ear, even for glasses wearers.

Redefining Open ear buds Audio: Designed by Luxshare-ICT, this 3-magnet super-linear speaker sets a new benchmark for sound quality in open-ear headphones. With up to 0.5mm high amplitude and advanced diaphragm technology, it delivers deeper bass, clearer highs, and unmatched clarity—offering immersive, balanced sound for all-day comfort.

7.5g Ultra Light& Portable: The ultra-lightweight design, with each headphone weighing only 7.5g, ensures all-day comfort.Feel nothing but comfort. The 1.04-inch thick earbuds charging case offers exceptional portability, easily fitting into your pocket or gym bag.

Tailored Sound& Open ear Comfort: With AELC digital enhancement and customizable EQ in our app, our open-ear headphones adapt to your preferences, delivering rich, detailed sound tailored for every moment.

Cutting Edge Features: Seamlessly connect two devices, enjoy 2 hours of use with just a 5-minute charge, stay worry-free with IP54 water resistance, and experience crystal-clear calls with 4-mic ENC noise cancellation—all in one cutting-edge device.

First-Time Use Tip: Remove the insulating film between the earbuds and charging case. If the right earbud doesn't work at first, charge both for a while — it may have powered on during shipping and drained.