Corsca new launches smart sunglasses x headphones (hands-free Bluetooth) 2-in-1 product Eyewear BT303. Black technology products combining fashion and technology, using big brand BOLON sunglasses, dual speaker design, high-definition stereo with a sense of space layering, intelligent voice noise reduction, clear calls, UVA/UVB ultraviolet protection, magnetic charging is cooler. IPX7 waterproof can effectively prevent the […]