From the manufacturer
Off-Axis magnetic technology – Oval-shaped earbud with nozzle angled at 60 degree tunnels the sound directly into the ear canal
Durable Flexi-band- The light yet sturdy, neck band can drape comfortably across the neck with supreme comfort and in-line controls.
Noise Isolating Aerospace Grade AL Drivers – Curve comes with Built-in micro-woofers that produce a deep bass, isolating noise in any environment.
IPX5 water resistant- earbuds and charging case inner Nano-coating makes it possible to waterproof for 1 meters deep for 30 minutes.Ideal for sweating it out at the gym. Even Wash the earbuds and base
Designed with latest Bluetooth 5.0, the wireless earbuds own fast and stable transmission without tangling. Improved high quality mic for both earbuds bring a better call performance