Powerful:Bluetooth V5.0 + EDR. Quick pairing and connectivity.The independent mute key.One-click call, answer, end and redial the last number. HD voice support.Sweat-proof, rain-proof design.Compatible with any phone with Bluetooth function and suitable for IOS, Android, Windows and almost all other systems.colourColor: cool black, dark blue, gun grayFunctions:1.This Bluetooth headset has been fully upgraded It's more comfortable and powerful to wear. The shiny shape is metallic, ergonomically designed,retractable ear hooks. The 180-degree flip adjustment angle allows the headset to be worn in the right ear or left ear. It easy carry and protection of headset to avoid scratches.2. Bluetooth V5.0 headset is equipped with CSRCSR noise reduction chips to ensure maximum signal quality and excellent sound quality. With a mute button, mute your microphone if you don't want others to hear your voice. One-click activation (Siri) voice assistant and mute. Ultra-strong Bluetooth connection signal with a 33ft (10meters) Bluetooth operating range.3.Bluetooth earpiece sits in HD noise-cancelling microphone with audio decoding technology, high volume, bass, high resolution pure sound to make your music or call more lively and greatly enhanced listening experience. Noise-cancelling boom microphones and dynamic speakers clearly pick up your voice.4.IPX4 waterproof and fearless sports can make you sweat and enjoy sports in rainy days.5.Long-term standby use standby time of 200 hours, listening / talk time 19-20 hours, low power and it can be quickly fully charged in only 30minute hours.Our configuration of the charging compartment allows you to carry it easily, without worrying about power issues, and enjoy a good mood.