Sony True Wireless Earphones Small and Lightweight Fully Open Style for Constant Wear Microphone for Calls 12mm Driver Hours Continuous Playback 90

Featuring a newly developed high-quality ring driver, this new style of listening offers a way to enjoy music while still being able to hear ambient sounds naturally. Because it doesn't block the ear canal, it's less prone to stuffiness and gentler on the ears. The specially designed 12mm ring-shaped driver and processor deliver high-quality sound. These wireless earbuds are half the size of Sony's smallest and lightest ever WF-1000XM4 earbuds. Weighing just 4.1 grams per earbud, they offer exceptional lightness. Combined with their open-ear design, they're comfortable even during extended use. High-quality call performance: Achieves high-precision call performance using AI technology. Clear calls are ensured by an algorithm designed to pick up only the caller's voice. New smart features: Instead of controlling the volume, play, pause, and skip tracks by tapping around the ear where the ear is worn, rather than using the earbuds themselves. Excellent basic performance: 5.5 hours of playback on the earbuds themselves, 12 hours of charging with the case. Fast charging: 90 minutes of charging for 10 minutes. IPX4 water resistance. Accessories: Charging stand For your reference: If you think there might be a problem - Place the headset in the charging case and close the lid. Placing it in the charging case may resolve the issue. - Charge the headset. Charging may resolve the issue. - Restart the connected device. Restarting the connected device such as your computer or smartphone may resolve the issue. - Reset the headset. Initialize the headset. - Reset volume and other settings to factory defaults and delete all device registration (pairing) information. - Check the support website. If the problem persists, please contact Sony's support desk.