Monster Open Ear AC210 Headphones, True Wireless Bluetooth Earphones with Microphone, Wireless Headphones 30 Hours Playback, Type-C Charging, Touch Control, IPX5 Waterproof Open Ear Earbuds,White

【True Open Ear Headphones】 The Monster AC210 features a completely open-back design for ultimate comfort, allowing sound to embrace the ears.
【360° Excellent Sound Quality】 The Monster AC210 Bluetooth headset uses dual powerful 12mm dynamic driver units and modified PI composite beryllium diaphragms, as well as the 30mW thrust of the DAC sound card to make the sound more three-dimensional and concrete.
【Resists Hearing Loss】This open-back earplug avoids the most common health concerns of traditional earplugs because it never actually enters the ear. No pinching of the auricle, no pain, and no damage to hearing.