Advanced Bluetooth technology provides a stable connection and stronger signal transmission. It supports a variety of Bluetooth devices. Powerful bass and immersive sound are delivered by an 8 mm dynamic driver, with a builtin cVc6.0 noise reduction microphone and SBC and AAC audio chips. This setup provides strong bass at any volume and clear voice calls, delivering sound quality. Lightweight and ergonomic design for inear wear makes it suitable for running, jogging, hiking, yoga, sports, gym, fitness, travel, and more. Combines comfort and stability with deep waterproof capability to adapt to any environment. Builtin improved polymer lithium battery offers up to 100 hours of standby after 1 hour of charging, and about 4 hours of playback or talk time. The headset includes a battery compartment that can be charged at any time when not in use to extend battery life. Remaining power is displayed on the phone. Use scenarios: Daily commuting or driving to work: stay connected hands while remaining aware of your surroundings. Workouts and outdoor activities: suitable for running, jogging, hiking, yoga, gym sessions, and other fitness activities. Travel or long trips: reliable battery life and robust construction for extended use and comfort on the go.