EMTEC (ECAUDE200BT) Stay Earbud Wireless for iPhone and Mobile Devices All technological components hidden into a small capsule freeing up space for optimized listening experience with 9.2mm drivers (aptX certified) and charming design Perfect noise isolation with HD audio speakers for a punchy sound quality In-line mic and 3-buttons universal remote for iOS, Android and Windows devices Up to 5 hours of music/talk time Anti-tangle flat cables