The JR-T03S Pro Wireless Earbuds combine advanced Bluetooth 5.2 technology with a 13mm speaker driver to deliver clear, immersive sound. Designed with ABS plastic and an in-ear fit, they offer effective 25dB noise cancellation for focused listening. Enjoy up to 7 hours of playback at 70% volume, supported by a fast-charge battery system with a 30mAh capacity per earbud and a 360mAh charging case. Features include double audio sharing, main-secondary switching, and left-right earbud control. The package includes earbuds, a storage box, and a charging cable for convenience.