PI5 have a beautiful design, extra powerful drivers, perfect sound, ANC technology for active noise cancellation, Ambient mode, so you can hear what is going on around you, Qualcomm aptX support, Bluetooth 5.0, 4 microphones for handsfree and voice control. The battery life of the headphones per charge is 4.5 hours, there is also a quick charging function, in 15 minutes to 2 hours of operation. In the package, you will find a charging and protective case with IP54, which has a battery life of 20 hours. The total playing time with the case is therefore up to 24.5 hours.