Material: PolycarbonateColor: Black Frame with Light Grey LensPackage Size： 18 × 8 × 6 cmPackage Weight： 0.2 kgPacking List: 1 x Smart Bluetooth Audio Sunglasses1. Bluetooth 5.3 Stable Connectivity – Equipped with Bluetooth 5.3 technology, these smart sunglasses provide fast pairing and stable wireless transmission over 10 meters for seamless music and calls.2. Hifi Air Conduction Sound – Built-in 1.2W speakers deliver clear Hifi audio using air conduction technology, allowing you to enjoy music and calls while staying aware of surroundings.3. UV400 Lens Protection – Light grey UV400 lenses block 100% UVA and UVB rays, protecting your eyes during driving, outdoor sports, and daily commuting.4. Touch Control & Voice Assistant – Intuitive touch controls allow easy music playback, call answering, rejection, and voice assistant activation for convenient hands-free operation.5. Lightweight & IPX4 Waterproof – Weighing only 38g, the PC frame offers comfortable all-day wear. IPX4 splash resistance makes it suitable for driving, cycling, and outdoor use.