Bone Conduction Headphones, 12 Hours Playtime Bluetoeth 5.3 Headset Open Ear Wireless Earphone - IP55 Sweatproof Built-in Mic,Perfect for Running Cycling Hiking Workouts(Black)

[Bone
Conduction Technology]: The bone conduction Bluetooth 5.3 headset converts sound into mechanical vibrations of different frequencies and transmits powerful sound to the auditory nerve through the cheekbone, keeping both ears completely open to ambient sounds. [12
Hours Playtime & USB-C Charging]: With a built-in rechargeable 320mAh battery, these bone conduction headphones deliver up to 12 hours of continuous music (at 70% volume) on a single charge (takes only 2 hrs with type-C charging). You can easily enjoy using them during daily use without worrying about downtime.
[Safe & Hygienic]: Using bone conducting headphones to listen to music keeps you away from the state of "blindness" during sports. The open ear design can avoid some dangerous situations from happening. Also, the sports earphones do not go into your ear canals, achieving true painless wear and protecting your hearing, clean and hygienic.
[Lightweight & Comfortable]: Lightweight and ergonomic designs with skin-friendly soft rubber ear pads ensure maximum comfort during extended wear. (These bone conduction headphones are medium size, 10.63 inch from left earlobe to right earlobe, NOT adjustable, NOT fit for small heads or super big ones. )
[Ultimate Durability]: Certified with IP55 sweatproof, these wireless headsets resist sweat, wet, water drops and dust throughout your indoor and outdoor activities. The firmly wraparound titanium frame ensures these earphones withstand most vigorous exercises such as running, cycling, hiking and workouts