XO X30 are Bluetooth 5.3 TWS in-ear headphones with a charging case. The headphones support TWS (True Wireless Stereo) technology, allowing both earbuds to connect to each other and create a wireless stereo set. The portable case with a built-in battery not only allows for charging but also safely stores the earbuds in your pocket, bag, or backpack. Free your hands and listen to music or internet radio while working, walking, training, or driving. The XO X30 TWS headphones are the perfect solution for users of smartphones, computers, notebooks, tablets, and other Bluetooth-enabled devices. They are compatible with most Android and iOS devices. The headphones also feature a microphone, allowing you to easily make voice calls. The talk and music listening time on a full charge is approximately 240 minutes, depending on the volume level, thanks to the energy-efficient Bluetooth 5.3 technology.