Boult Audio ProBass CurvePro Neckband in-Ear Wireless Earphones, IPX5 Sweatproof Headphones in-Built Microphone, 10mm driver

• Long Battery Life – Curve Pro is a powerhouse,Offers playback time of up to 12 hours for every charge. Takes 1-1.5 to get fully charged and it has 1-2 days of standby.
• Off-Axis magnetic technology – Oval-shaped earbud with nozzle angled at 60 degree tunnels the sound directly into the ear canal, also providing noise isolation
• 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 Pro comes with Built-in micro-woofers that produce a deep bass, isolating noise in any environment.
• Micro-woofer Drivers – Robust aerospace grade AL alloy encased over micro-woofers that provide crisp deep bass for bass heads, crystal clear highs and stable midst.
• [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

From the manufacturer