Endowed with noise cancelling technology, built in microphone for clear phone talking. With special ergonomic design and intelligent 3-button control, excellent audio quality, low interference and distortion. The original Huawei headset has a USB-C port and can be connected to the current top smartphones. Functions volume up/down / one key play/pause / next song switch (press the button two times) / previous song switch (press the button three times) / answer/reject call.