Experience superior sound with these Panasonic RB-HF520BE-K Bluetooth Over-Ear Headphones. They feature a voice control capability, wireless connectivity, and an impressive battery life of up to 50 hours. The design includes 40 mm driver units and a neodymium magnet for powerful audio. The Extra Bass System (XBS) enhances low-range reproduction through Acoustic Bass Control and an acoustic tuning circuit. Enjoy long listening sessions without frequent charging, thanks to the high-capacity battery. The swivel design of the ear pads allows for convenient flat storage, making them portable. Integrated virtual assistant support enables hands-free operation, allowing you to interact with voice assistants like Alexa for tasks such as making calls or checking schedules. These headphones deliver 6.5 hours of playback on a single charge, with up to 19.5 hours when using the charging case. A quick 15-minute charge provides 70 minutes of playback time. The headphones measure H 21cm x W 20cm x D 31cm and weigh 7g.