The ARCTIC SOUND E221 is the ideal entry-level earphone. It fits perfectly into your ear and offers great noise isolation. Remarkable Sound Quality: The ARCTIC SOUND E221 is equipped with large driver coils which reproduce pleasant bass, fine highs and clear vocals without distortion. The chassis transmits a perfect balance of high and low frequencies. Furthermore, the gold-plated 3.5mm connector offers uncompromised signal transmission and corrosion resistance. Comfort Fit: To achieve top-notch listening experience, the ARCTIC SOUND E221 is packaged with three sets of ultra-soft silicone caps in small, medium and large sizes. Wearing comfort can be personalized by choosing the most suitable cap size that fits best for your ears, so that they stay comfortable even after prolonged use. Multi-functional and Multi-compatible: The ARCTIC SOUND E221 features delicate microphone ideal for phone calls and online communications such as Skype and MSN voice calls. A 3.5mm TRRS plug is equipped for transferring both microphone and earphone signals, which is ideal for mobile phones as well. To use the earphones on PCs that only support the standard 3.5 stereo plug, it is necessary to use the adapter provided. Brand new Arctic headset. Color: White Dimensions (Packaging): 182 L x 95 W x 25 H mm. Frequency Response (Hz-kHz): 20-20. Sensitivity (dB/mW): 101. Impedance (ohm): 32. Output Power (mW): 3. Plug:3.5mm. Cable (m): 1.3. Weight: 0.06 kg.