Panasonic RB-Hf520Bgek headphones are for sale. This is a wireless headset with Bluetooth connection, providing up to 50 hours of operation and a quick charge in 4 hours. The design type is Over-Ear. Built-in microphone, sound control and waterproofness degree Ipx4. Frequency range: 20 - 20,000 Hz. Operating radius - 10 meters. Speakers with a diameter of 40 mm and neodymium magnets. Weight - 205 g. Color - black. An excellent choice from the Panasonic brand for comfort and high-quality sound.