Open Box - Like NEW! The black version of the Sennheiser CX 2.00I Earphones for Apple iOS mobile devices offers an ultra compact ear canal coupling design with a dynamic transducer to deliver a frequency response of 17 to 20,000 Hz, a THD of less than 0.5%, and a maximum SPL of 119 dB. The earphones feature a right angle 1/8" (3.5mm) plug for connecting to your smartphone or other mobile device. They come with a set of four (XS, S, M, L) ear adapters to accommodate ear canals of different sizes, as well as an inline omnidirectional microphone remote control for making calls, changing volume, and navigating tracks when using your Apple iOS mobile device. Earpiece Design In-Ear (Intra-Aural) Driver Type Dynamic General Frequency Response 17 Hz to 20 kHz Impedance 28 Ohms Maximum Sound Pressure Level (SPL) 119 dB Total Harmonic Distortion (THD) 0.5% Microphone Pickup Pattern Omnidirectional Frequency Response 100 Hz to 10 kHz Sensitivity -42 dB at 1 kHz Connectivity Audio Connector to Source 1 x 1/8" / 3.5 mm TRRS Male Angled Cable In-Line Remote/Microphone Yes Full Remote OS Support iOS Cable Length 3.94' / 1.2 m Physical Weight 0.53 oz / 15 g Packaging Info Package Weight 0.15 lb Box Dimensions (LxWxH) 5.354 x 4.331 x 1.496" - All international buyers are responsible for all tax, duties and/or customs fees.