Inner Ear Headphones for Smartphones White WH Audio-Technica ATH-CK330iS

[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. Maximum input: 40mW Type: Canal, Stereo/Monaural: Stereo, Structure: Closed type, Noise canceling: Not supported Surround: Not supported, Wireless: Not supported, Interface: Mini plug (4 poles) Frequency band (L): 20Hz, Frequency band (H): 23000Hz [][kw1607_eph_visual][kw1607_eph_work][]