Sennheiser VMX-200 mobile Bluetooth Headset VoiceMax technology - Two built-in microphones working seamlessly to emphasize voice quality and remove external noise High-end speakers - Top quality sound experience Extremely small and lightweight - Weighing just 10g, providing excellent comfort for hours on end Award-winning design - Elegant and robust with steel casing Convenient multi-connection - Connect to two devices simultaneously (phones and computers)