- Bluetooth® stereo headphones for wireless music enjoyment with additional bass amplification_x000D_ - The ear cups can be folded in which allows you to compactly store the headphones_x000D_ - Additional bass amplification. Can be switched on and off with a small button on the earphones_x000D_ - Thanks to the integrated microphone you can easily switch between music playback and call answer. So you will no longer miss a call when listening to music._x000D_ - Pleasantly soft earpads ensure superb wearing comfort_x000D_ - Supports the Siri and Google Assistant voice assistants_x000D_ - Allows the simultaneous connection of the headphones to multiple Bluetooth devices_x000D_ - Closed design that completely covers the ears for shielding out exterior noise_x000D_ - The perfect fit reduces unwanted exterior noise so that you can enjoy your music without being disturbed_x000D_ - Padded headband for a comfortable listening experience also over long periods of use_x000D_ - The headphones are equipped with an individually adjustable headband which adapts to the shape of your head_x000D_ - Music time: up to 38 h with fully charged headphones_x000D_ - Talk time: up to 36 h with fully charged headphones_x000D_ - Volume control directly on the headphones_x000D_ - Audio playback via Bluetooth or audio cable_x000D_ - Music control functions (play/pause)_x000D_ - Smartphone function can be controlled via multi-function button (e.g. accept / reject / end calls / last number redial)_x000D_ - Easy use of the headphones thanks to voice information, e.g. announcement when battery level is low_x000D_ _x000D_ System Requirements:_x000D_ - Bluetooth-enabled device