[Hands Free Calling & Adjustable Ear Hook]: Bluetooth headset has a unique stylish exterior. Perfect to match with your business ambiance, lightweight designed to provide a precise and comfortable fit for ears with all sizes. Voice prompt feature supports hands free voice command for Siri and assistant. Ideal for online conference, safer to answer calls while driving.^ [Noise Canceling & Pairing with Two Devices Synchronously]: This bluetooth headset has built-in omnidirectional dual microphone blocks out disruptive background noise, optimizing your voice while producing smoothest transmission and most stable connectivity. Ability to pair with two devices allowing immediate transition between incoming calls and on going calls.^ [Battery and Playtime]: The wireless headset was tested to support up to 10 hours of continuous calls and playtime. 400 hours of standby time. Fulfilling your needs to make phone calls while maltitasking with an astonishing crisp and clear sound. The headset comes with Type-C fast charging on a single 1 hour quick charge will deliver 7 hours of face-to-face like communication experience.^ [Bluetooth 5.1 and HiFi Quality Sound]: Bluetooth 5.1 on this headset delivers fast, stable, and no latency connection.The 10mm graphene driver provides a crystal clear, realistic quality and vigorous sound effect. Which enhances voice clarity and lower power consumption. Compatible with any iOS and Android devices, tablets, laptops, PC and MP3 players.^ After-sales-If you have about our products, please in time.