LDAC Codec & Hi-Res Sound. 10mm wool composite dynamic drivers deliver crisp and detailed audio. Featuring LDAC codec and Hi-Res Audio certification, the wireless earbuds transfer 3× more data than ordinary TWS, effectively reducing signal degradation during wireless transmission to preserve sonic detail. Tips: LDAC is not compatible with IOS devices. Lightweight & Premium Comfort. Weighing only 0.16oz (4.5g), the EarFun Air 2 wireless earbuds are designed for all-day comfort. The ergonomic design is expertly molded to fit a wide range of shapes, and 4 ear tips are included to help you further achieve a perfect seal. Multipoint Connection & Bluetooth 5.3. The true wireless earbuds sport the latest Bluetooth 5.3 technology to achieve a quick and stable connection. Multipoint technology lets you stay connected with two devices simultaneously, switching between calls and media or resume your tasks effortlessly. Recommend having LDAC disabled if pursuing a more stable connection. Cus