True Wireless headphones with ANC (Active Noise Cancelling) noise reduction technology. It has 3 listening modes: normal mode; ANC mode, in which external noise is reduced by up to 25dBs; transparent mode, where outside sound is emphasised so you know what's going on around you. It also has a high-quality microphone, which allows clearer communication in both videoconferences and phone calls. Includes touch controls with various functions. Each headset has a built-in 40mAh battery with a battery life of up to 5 hours* on a single charge, and thanks to its 350mAh base, each headset can be charged up to 3 times, giving you up to 20 hours of use without needing to charge the base. Type C USB charging port.