Feature: Small size, delicate and beautiful, easy to carry. Using high quality loudspeakers, sound effects can not be separated from good materials. 3.5mm plug, easy to compatible with all mobile phones, computers, digital equipment, etc. Specification: Plug: 3.5mm Wear: Universal in-ear type. Impedance: 32Ω±15% Frequency response: 20Hz-20kHz Sensitivity: 96-110dB Speaker diameter: 10mm Material: silicone+metal Color: blue, pink, black, white, purple Wire length: 120cm/3.93'' Package incl.: 1x Earphone Note: Please allow around 1cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.