Bass-strong low-frequency reproduction thanks to new 40 mm speaker drivers. Bluetooth® capable for easy connection of up to 8 devices. Very comfortable handling thanks to integrated playback control for music and hands-free function. Practical folding mechanism. Comfortable wide padded headband. Up to 15 hours of playtime for wireless music/calls, battery with quick charge function to fully charge within 4 hours. Transducer principle/design System consisting of:: consisting of wireless headphones Performance properties Frequency response lower limit (Hz): 10 Frequency response upper limit (Hz): 22000 Transducer diameter (mm): 40 Wireless sound transmission Power supply via battery Charging time for battery (hours): 4 Operating time with battery operation (hours): 15 Range (m): 10 Connectio
