【4 Mics for Clear Calls】wegear wireless Bluetooth earbuds are equipped with two microphones per ear, combined with ENC noise reduction technology, to ensure clear call quality. 1 Dual-mic ENC. 【IPX5 Waterproof - Durable】wegear wireless earbuds are designed with IPX5 waterproof coating technology, which seals the surface of both earbuds to prevent sweat or rain from seeping in.