Hot plug and play / Size: ca.53 x 17 x 7mm Compatible with USB 1.1 / 2.0 Compatible with PC, laptop, MAC Writing speed: 6 M / S writing speed: 15 M / S Small style and fashion products as an awesome gift for your partner, friends or clients Note: Capacity is 128 MB (not 128 GB) material: metal Interface: USB 2.0 Store your photos, videos and music tracks and data of any kind. Support 7/8 Windows, Windows Vista, Windows 2000, Mac OS X, Linux. Easy to read and read in high speed, only connect No need unit / power supply. Package Includes: 20 x USB Memory Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.