The foldable ear cups allow the headphones to be stowed away to save space. Extra bass boost. Additional bass boost, can be switched on and off with a small button on the ear cupIntegrated microphone. Thanks to the integrated microphone, you can easily switch between playing music and answering calls. This means you'll never miss a call while listening to music. Very soft ear pads. Pleasantly soft ear pads ensure optimum wearing comfort. Direct access to Siri and Google Assistant. Supports the existing voice assistants Siri and Google Assistant. Multipoint technology. Enables simultaneous connection of the headphones to multiple Bluetooth devices. Noise-Lock. Closed, circumaural design to block out external noise. Passive noise cancellation. The excellent fit reduces unwanted external noise so you can enjoy your music without disturbance. Padded headband. Padded headband for comfortable music enjoyment too.