OPEN EAR AIR CONDUCTION : Monster Aria Free air conduction headphones adopt a unique over-ear sound cavity design. There is no tremor, and no need to put earphones into the ears. Avoid putting earplugs in your ears, listening to songs, and paying attention to external sounds, to improve the safety of outdoor sports.

UNIQUE FASHION DESIGN : Open ear headphones come from the Diamond Tears product series of Monster, a famous audio team. It adopts a unique diamond-cutting technology, which makes earphones reflect colorful visual effects under the sun or light and lead the fashion trend.

PURE MONSTER SOUND : Open-ear headphones wireless bluetooth with a 15.4mm diameter speaker that presents a powerful and wide sound range, which makes the sound full of dynamics. The Monster headphones are designed and engineered by Noel Lee and his Monster R&D Team in the USA. It delivers the most impactful music experience possible through over 40 years of sound engineering.

ENC CLEAR TALK : Open Earbuds built-in microphones helps reduce environmental noise. Enjoy clear hands-free calling and immerse in the music, creating a personal world. At the same time, stay aware of the surroundings for safety.

SUPER LIGHT AS FEATHER: Monster Aria Free open ear headphones wireless only 0.64 ounces, compact and ultra-lightweight, bringing you a stable and comfortable fitting experience. Super-elastic memory steel wire supports 360 ° bending without deformation in daily use. Easily put into the backpack or trousers pocket without any burden when you need go out.

FORGET THE WEATHER : Sport headphones designed with IPX5 water-resistant rating, Monster Aria Free Air conduction Bluetooth headphones do not need to be taken off when access to water in daily life such as sweat or sudden rain when jogging, cycling, sprinting, or hiking.

ADVANCED BLUETOOTH 5.3 : Open Move headphones with upgrade Bluetooth 5.3 high-performance chip, Aria Free provides a more stable and faster connection. It supports a connection range of up to 33 feet. It takes only 2 hours to charge fully with the USB magnetic charging cable. Use it for 8 hours at 80% of the volume.

PREFERRED Gift & SERVICE : Monster Aira Free Air conduction headphone is the perfect choice as valentine's day gifts. Lifetime customer service makes the purchase absolutely risk-free. If there is any question, please feel free to contact us. We will provide quality service within 24 hours.