(Clear Calling) wireless headset adopts noise canceling microphone, which can reduce the interference of environmental noise, bringing you HD crystal clear call. Microphone can be rotated by 270 degrees, you can adjust the mic to a suitable angle for a clearer and louder call. The mic mute function allows you to communicate with other around you during a call without being heard by the people you are talking to. (Note: Mute button only can be used when paired with mobile phone.) (Bluetooth 5.0 Technology)Handsfree headset with Bluetooth 5.0 provides fast and stable pairing, connect distance reach to 49ft/15m. This headset can be paired easily with most mobile devices (compatible with iOS & Android cell phones, tablets, laptops, etc.). Bluetooth headset with multi-point connection function can pair 2 Bluetooth devices at the same time. (Wearing Comfortable)Bluetooth headset with ergonomic design is only 3.3 oz (92g), it doesn't place any burden on your ears. The head beam