Sonic School Headset Binaural Plug Shift Plus Violet 3.5mm LS-5156-V

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. Binaural type x mouth microphone makes it hard to be bothered by surrounding sounds. Improve your concentration anywhere! Great for online learning and English conversation! Adopts soft ear pads that won't hurt your ears. Safe design that protects children's ears with a volume limit of 85dB. Equipped with a unidirectional microphone that picks up voices from the front. Country of origin: China