Sigelei 50w V2 / 50 Watt Vr2 Silicone Protective Gel Skin Case Cover (Black) Crystal Clear Audio: With the built-in advanced boom microphone and Dynamic Speaker, Bluetooth headset broadcasts your speech clearly while you move around and perform your tasks youre on-the-go or working in the office. Unique Design: Only 0.56oz, equipped with Extendable Earhook (3mm extendable), fits a wide range of ear shapes. 270 degrees rotatable flip-boom arm allows to fit this bluetooth earpiece in right or left ear. Unique plastic carrying case protects the headset from damaging and losing. Hands Free for Calling: This Bluetooth Headset with mic supports Siri/Google voice assistant and mute button, one key to Power on and enter pairing mode,1 to 2 connection. 8-10 hours working time, 1.5 hours quick charge. Universal Compatible: Bluetooth V5.0 headphones support Calling and Music Playing function, easy and fast pairing with smart phones and tablets(Bluetooth v4.2 or lower), compatible with iPhone(X), Android, and Other Leading Smartphones. Product Warranty: We offer 30 days money back & 12-month worry-free guarantee. Welcome to contact us by visiting our store and pressing the yellow button(Ask a question), 7d/24hrs Customer Service.