The above price is set material prices; excluding chip; card U disk black colloidal chip U disk technical parameters are as follows : Name : Beself brand personality card U disk storage capacity : 1G-16G Interface Type : High Speed ​​USB2.0, support for Windows 2000 / XP / Vista / WIN7, Mac OS 8.6 and Linux2.4.0 or above shape design : Imitation business card size : custom, 85 * 54 * 12mm product weight: about 10g net other features : supports hot swap function can spot style Screenshot for selection Advisory : Contract cases are: