Panasonic RB-HF630BLong battery lifeThe HF630B headphones offer unrivalled comfort! Just 15 minutes of quick charging gives you a full 6 hours of playback time. For uninterrupted music enjoyment wherever you are!Non-stop playbackExperience powerful and vibrant sound without interruption: With an impressive battery life of 72 hours of continuous playback, these headphones are the ideal companion for those who just can't get enough of their favourite music.Feel the full bass soundThanks to their circumaural design and a powerful 30 mm driver with neodymium magnets, these headphones offer unrivalled sound. Thanks to the Extra Bass System (XBS), you can experience deep bass without distortion. Clear conversations and voice control via the integrated microphoneThe headphones feature an integrated microphone and ENC technology (ambient noise cancellation) for crystal-clear conversations and improved speech intelligibility. You can also use your smartphone's voice assistant function to easily select music, adjust the volume and make calls in hands-free mode.Features: -Features: -Remote control -Environmental noise cancellation (ENC) -Integrated microphone -Wearing comfort: On Ear -Driver diameter: 30 mm -Magnetic driver: Neodymium -Frequency response: 20 Hz to 20,000 Hz -Connections: 1x USB-C -USB function: Only for charging the battery -Transmission principle: Bluetooth -Maximum range: 10 m -Connectivity: Bluetooth 5.3 -Power supply: Lithium-ion battery -Maximum battery life: 72 hours -Maximum charging time: 4 hours -Weight: 140 g.