Features: In-ear headphones to fit better in the ear canal and form a relatively closed space Effectively reduce the interferences of external noise, while enhancing the bassed effect. The overall weight is light, which will not bring too much burden to the ear. Moreover, in-ear headphones relatively small in size, easy to carry. Fitting ear canal designing: ergonomically to closely fit shape of different users ear canals, providing comfortable wearing. It is not easy to get fatigue even after long time wearing, which is suitable for long time voice calls or to music on tablet PC or cellphones. Specifications: Item: In-ear Earphone Plug: 3.5mm Size：about 1000x20x12mm/39.37x0.79x0.47in Conponent：TPE Color: White/Blue/Black Package Includes: 1Pc In-ear Earphone note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.