Two balanced armatures and a separate dynamic driver were designed carefully for this earphone in order to deliver an extremely accurate listening experience with unsurpassed dynamic power. AAC coding technology allows users to experience Hi-Fi-quality sound wirelessly and without signal loss. It also features environmental noises cancellation (ENC) that removes ambient noises, ensuring user crystal clear voice communication while taking calls. The aluminum body is extremely lightweight and durable. Surfaces are fingerprint resistant and IPX4 water-resistant. A proprietary app with music streaming is also available for users.