XO X25 is a bluetooth 5.3 TWS earphone with charging box. The headphones support TWS (True Wireless Stereo) technology - both earhones connect to each other to create a wireless stereo set. A portable box with a built-in battery, in addition to the charging function, allows you to safely store the headphones in your pocket, bag or backpack. The earphones also have a microphone, so you can easily make voice calls. The duration of calls / listening to music on a full charge is about 720 minutes (depending on the volume level), thanks to the use of energy-saving Bluetooth 5.3 technology.