... product 2.0 dual usb flash drive and TF card U1 portable multi-purpose dual USB flash drive with dual ports Technical SpecificationsColorsBlack ... 18.mm Depth:8mm Weight:10 gHousing Material and StyleBracelet, Card, Pen,Rectangle, Rubber, Metal and so on(Custom ... , Guerilla advertising Prevent delete, Prevent copy and so on for customTransfer RateReading speed 8~15MB/S ;Operating current: <50mAWriting ...