Premium Active Noise Cancellation up to 45dB. EarFun QuietSmart 2.0 Active Noise Canceling Technology intelligently reduces external noise up to 45dB for immersive listening using 5 advanced ANC microphones that actively monitor various frequencies to help achieve an outstanding listening experience. Hi-Res Sound with LDAC. Experience true fidelity with powerful 40mm DLC composite dynamic drivers that support LDAC and Hi-Res Audio. The EarFun Wave Pro headphones transfer 3x more detail than other Bluetooth headphones for the highest quality in Bluetooth wireless audio. (*LDAC is only compatible with Android devices, please activate LDAC in the App settings.) 80 Hours of Playtime. EarFun Wave Pro over ear headphones can deliver up to 80 hours of playtime with ANC off, and 55 hours of music with ANC on (at 60% volume). On the go, a 10-Minute Quick Charge gives 10 hours of playback. When charging isnt available use the 3.5mm audio cable via the integrated AUX port to continue listen