Introducing the True Wireless Bluetooth Invisible Single Earbud with Microphone. This earbud features a business style design, allowing you to experience a professional look while enjoying its skin-friendly and stylish design. Weighing only 5g, it can be carried effortlessly. With its super waterproof function, this earbud is equipped with IPX Level 5 Sweatproof technology, making it suitable for use during intense workouts, heavy rain, and other water activities. You can wear it without worrying about damage from dripping sweat or splashes. The ergonomic design of this earbud ensures a comfortable fit. It utilizes bone conduction technology, eliminating vibrations and providing a painless and natural way to hear. Say goodbye to traditional earplugs and enjoy a more comfortable listening experience. Experience high-quality sound with this Bluetooth headset. It is equipped with a premium Bluetooth chip and noise cancellation technology, reducing noise and echo cancellation for smooth, clear, and crisp conversation quality. Whether you're driving or working out at the gym, this headset delivers exceptional audio performance. Never worry about running out of battery. This wireless Bluetooth earbud comes with a 140mAh lithium-ion polymer battery, allowing you to enjoy up to 10 hours of music time with just a quick 1-2 hour charge. Stay connected and entertained throughout the day.