Bluetooth stereo headphones for wireless music enjoyment. The retractable ear cups allow for space-saving storage of the headphones. Thanks to the built-in microphone, you can easily switch between music playback and answering calls, ensuring you don't miss any calls while listening to music. Convenient voice control supports existing voice assistants Siri and Google Assistant. The padded headband ensures comfortable music enjoyment even over longer periods. The headphones feature an individually adjustable headband that adapts to the shape of your head. Music playback lasts up to 15 hours on a full charge, and talk time also lasts up to 15 hours. The charging time is approximately 3 hours. Volume control is directly on the headphones, and audio playback is possible via both Bluetooth and an audio cable. Music control functions include play and pause. Smartphone functions are controllable via a multifunction button, allowing you to answer, decline, end, and redial calls. Charging is done via USB-C, and a charging cable is included. System requirements: Bluetooth-enabled device.