Active Noise CancellingImmerse yourself in tranquillity!Advanced active noise cancellation technology blocks over 90% of ambient noise,whether it's noise in the underground,or the sound of a car or plane engine,the Y02 headphones minimise distractions and allow you to fully immerse yourself in your own rhythm at all times. Deep Bass Boost & 5 EQ Sound ModesThe Bluetooth headset delivers crystal-clear highs,balanced mids and powerful bass through 40mm acoustic stereo drivers.Making every beat and detail rich and authentic.Equipped with 5 balanced sound modes (Rock/Pop/Electronic/Jazz/Classical/Normal),you can easily adjust the sound with the turn of a knob and choose your favourite music mode according to different music styles. 60-Hour Marathon Battery LifeAdopting low power consumption technology and built-in 500mAh high-capacity battery,it can play continuously for up to 48 hours with the ANC function on,and up to 60 hours with the ANC function off. Get 4 hours of