These lightweight and compact true wireless earbuds support both AAC and aptX. Equipped with a Qualcomm QCC3020 chip, these earbuds offer a long battery life, with 6 hours of playback on a single charge. This model boasts a high level of perfection in both design and sound quality. - Fully waterproof (IPX7) - Weighs only 9g for both earbuds - Case size: 8.5cm long x 4.2cm wide x 4.0cm high - The case surface has a leather-like (synthetic leather) design, providing a high-quality feel. - The small, smart design blends seamlessly into the ear without discomfort, and the light weight allows for comfortable use even for extended periods. - All operations, including volume adjustment, are controlled by buttons.