Active Noise Cancelling (ANC) reduces outside noise The Maks headphones connect to your smartphone, tablet or laptop without a cable, and thanks to True Wireless Stereo (TWS) they connect directly from the case. They are characterised by Active Noise Cancelling (ANC), when activated, noise from outside is almost completely suppressed. So you can immerse yourself in your favourite music without disturbance. You can turn them off and use them as normal headphones or activate the transparency mode by touching the left earphone twice, which allows better awareness of outside noise such as city traffic. The built-in HD microphone keeps your voice crystal clear with Environmental Noise Cancellation (ENC) The built-in HD microphone ensures optimal calls. You will hear the voice of your conversation partner very well and thanks to Environmental Noise Cancellation (ENC) technology, he or she hears your voice razor-sharp even in disturbed environments. The ENC reduces outside noise for clear phone calls. Charging is simple and wireless. The Maks allow you to listen to music and make calls for up to 5 hours. When empty, simply place them in their 300mAh charging case (milliamps per hour) and they will be back to 100% in 1.2 hours. The docking station allows you to use your headphones for up to 24 hours. When the case runs out of power, you can wirelessly via a compatible charging station or smartphone that allows reverse wireless charging. If you don't have this accessory, you can easily charge it by connecting it to a mains charger or power bank via the included USB-A - USB-C cable. Control music and calls at the touch on the headphones. With a simple touch, you can play/pause your music, change tracks, answer/set/reject calls, call the last number and even activate the Android or iOS voice assistant. All this without having to remove the phone from your pocket.