?Bluetooth v5.0? ( Dual Connectivity )? ?Next Generation PixArt Chipset For Lossless Connectivity ? ?DIRAC HD Noise Cancellation Mic ? ?Touch Operation With Media And Call Control On Earbuds? ?Battery Capacity 700mAh ( Can Charge Earbuds 3 - 4 Times )? ?Charging? Time Upto 2 Hours? ?Playback Time Upto 4 - 5 Hours Single Use? ( Total Backup Upto 20 Hours)? ?Type C Fast Charging Input For Power Supply? ?Ceramic Finish premium Earbuds Design? ?SOUND BY AKG