Open Ear HeadphonesBone conduction headphones deliver high-quality sound through the cheekbones, providing high-fidelity and clear audio. Combined with the included noise-isolating earplugs and adjustable band in the headphone set, they ensure a more comfortable wearing experience.Comfortable & SafetyUltra-lightweight 30 grams bone conduction earphones bluetooth with flexible and durable titanium wire skeleton for a more comfortable fit, as if there was nothing in your ears. Ergonomic open-ear design allows you to be aware of your surroundings and things while listening to music or podcasts, greatly improving safety.IP55 Sweatproof & RainproofWith an IP55 waterproof certification, these sports headphones feature sweat, dust, and moisture resistance, making them ideal for both outdoor and indoor activities such as running, cycling, hiking, and working out. After a workout, you can easily wipe the headset clean to prolong their lifespan.Bluetooth 5.3 & Built-in MicUtilizing the latest Bluetooth 5.3 chip, these headphones provide a faster and more stable connection and transmission, ensuring a stable connection within a range of 33 feet while reducing latency. With a built-in high-definition microphone, calls are clearer and more convenient.8H battery lifebone conduction headphones come equipped with a built-in 230mAh lithium battery. With Type-C fast charging, only 1.5 hours are needed for a full charge, providing continuous music playback and talk time for up to 8 hours. With an impressive standby time of 240 hours, these headphones are well-suited for various activities, allowing you to comfortably enjoy music at any time.