Bluetooth stereo headphones for wireless music enjoyment. The foldable 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, so you won't miss any calls while listening to music. Comfortable 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 conforms to the shape of your head. Music playback time: up to 15 hours on a full charge. Talk time: up to 15 hours on a full charge. Charging time is approximately 3 hours. Volume control is directly on the headphones. Audio playback is possible via Bluetooth or audio cable. Music control functions (Play/Pause). Smartphone functions can be controlled via a multifunction button (e.g., answer/reject/end calls/redial). Charging via USB-C. System requirements: Bluetooth-enabled device.