ANSTY wireless mono headphones feature Bluetooth 5.3 technology, ensuring a fast and stable connection with a variety of devices. Their compact design is especially convenient for taxi drivers, operators, and those who spend long periods on the phone, leaving the other ear free and allowing you to hear your surroundings. Their lightweight and ergonomic design ensures comfortable wearing, even for extended periods. A small charging case is included, keeping the headphones always within reach and fully charged.