Advanced Active Noise Cancellation -35dB deep active noise cancellation technology effectively isolates external disturbances for an immersive audio experience LED Battery Display Convenient LED screen shows real-time battery levels for both earbuds and charging case Magnetic Open Design Easy-access magnetic design allows for effortless removal and insertion of earbuds Enhanced Call Quality 4-mic ENC technology ensures crystal-clear calls by reducing ambient noise interference Extended Battery Life Enjoy up to 8 hours of music playback and 5 hours of talk time on a single charge Specifications Bluetooth Version 5.4 Chipset JL 7003D42 Battery Capacity Earbuds 35mAh, Charging Casenbsp400mAh Playback Time Up to 8 hours Talk Time Up to 5 hours Material ABSPC Water Resistance IPX4 Noise Cancellation -35dB Active Noise Cancellation