OPEN RING DESIGN FOR AMBIENT SOUNDS: The open ring design enables fully transparent ambient sound, so you can stay connected to your surroundings. ALL DAY COMFORT: The newly developed Air Fitting Supporters for LinkBuds Open have a soft and ergonomic form factor, making them comfortable for longer. LONG BATTERY LIFE & QUICK CHARGING: Up to 22-hour battery life with quick charging (3 min charge for up to 60 minutes of playback) SMART FEATURES: With convenient smart features, LinkBuds Open makes it easier than ever to access and enjoy your entertainment. AUTHENTIC HIGH-QUALITY SOUND: Enjoy well-balanced, high-quality audio with clear mid-to high ranges, powered by our Integrated Processor V2 and the specially designed 11mm ring-shaped driver unit.