[Powerful Noise Cancellation: With 5 built-in ANC mics and hybrid ANC technology Ankbit bluetooth headphones will reduce ambient noise by up to 95%. say goodbye to the distractions of your surroundings and enjoy true concentration. High Fidelity Audio: Hear every note of your music with Custom oversized 40 mm dynamic drivers along with high-response diaphragm and lightweight voice coil achieve crystal clarity. Clear Hands-free Calls: Advanced ENC call noise reduction technology provide crystal clear hands free calls avoid the interference of the surrounding environment. 90+ Hours Playtime: Enjoy 90 hours of playtime in standard mode 60 hours’ wireless ANC mode.fully charged in only 1.5~2 hours. Pressure-Free Comfort: Ankbit active noise cancelling headphones have ultra-soft protein leather earcups with memory foam padding to fit snugly over your ears wear it all day without discomfort.]