MIATONE Bluetooth Headset, Wireless Hands-Free Bluetooth CSR 4.0 Earphone Headphone with Noise Cancelling MIC for iPhone Samsung and Other Bluetooth Device White Ultra-lightweight:Compact and secure earphone with 360 degree adjustable ear hook for comfortable fit in ear With DSP Noise Reduction tech guarantee a high-quality sound and a clear speech even in a noisy environment Wind and noise block,with HD microphone provide clear voice communication Up to 12 days standby time,up to 10 hours talk time Multipoint technology allows connection to 2 headsets at the same time,Battery indicator on ios system.