Cool ultra compact lightweight and fashionable in-ear design earphone which is compatible with Iphone will give you high-performance sound with maximum comfort. Built with high-performance speakers for extended frequency range lower distortion and high power handling. - Color: Black - Material: Plastic - 3.5mm head - Impedance: 16 ohm - Frequency response: 12HZ-20000HZ - Driver unit: 10mm - Sensitivity: 100dB - Cable length: 129.5cm - Comes with 2 pairs of different size ear caps - Cable clamp included - Suitable for Iphone MP3 and mobile phone etc.