Balanced Armature RD Audio-Technica In-Ear Headphones, Type, Red, ATH-CKB70

Maximum input: 3mW Type: In-ear, Stereo/Mono: Stereo, Structure: Closed-back, Noise Cancelling: Not supported Surround sound: Not supported, Wireless: Not supported, Interface: Mini plug Frequency band (L): 10Hz, Frequency band (H): 15000Hz