[Escape from the Noise, Embrace in the Silence] ANC8 adapts an excellent ANC chip to generate reverse sound waves neutralize the external noise, thereby reduces the noise in office , on commuting or on traveling. [Power All Day, Travel On the Way] With large-capacity lithium battery, ANC8 can work 35H in Bluetooth mode. 3.5mm audio cable lets you enjoy music anytime, anywhere without worrying power outages. [Noting else, Music only] The extra echo is filtered because of the built-in 40MM NdFeB dynamic drivers and anti-vibration membrane. With multi-level noise reduction, you'll only immerse yourself in the delicate sound. [Smarter Chip, Faster Transmittion] The Qualcomm Bluetooth chip ensures faster transmission speed, lower power consumption and more stable connection. It supports higher quality transmission and improves sound quality. [Simple Design, Easy Control] You can answer calls, skip tracks, adjust volume accurately and easily by durable and big physical buttons.