Thomson-WHP3777-Wireless-Headphones-Thomson-WHP3777-P-These-wireless-headphones-from-Thomson-have-been-designed-to-allow-the-user-to-wirelessly-enjoy-music-or-movies-Equipped-with-a-host-of-excellent-features-including-volume-control-on-the-headphones-3-channels-to-avoid-interference-from-other-devices-elastic-headband-highly-stable-frequency-by-the-PLL-system-and-auto-tuning-automatic-setting-of-the-transmitter-P-Thomson-WHP3777-Wireless-Headphones-with-Charging-Station-Black