8GB OTG Dual USB Flash Drive for Cell Phones & Tablet PCs 2 Pack (16GB Total) for Motorola, Samsung, 8 GB per flash drive guaranteed. Package contains (1) silver 8GB and (1) black 8GB flash drive. Aluminum and plastic design make this flash drive portable, compact, lightweight. 2 in. long x 3/4 in. wide x 1/4 in. deep Transfer files, photos, music to and from your smartphone or any other otg device. USB 2.0 and micro USB. Plug and play. No cable needed. When you insert usb into either phone or pc, an indicator light comes on flash drive and blinks, then a continuous light remains once connection is secured. Compatible with Android OS that are OTG capable and USB drive is compatible with all USB ports, Windows 7, Vista, XP, 2000, ME, 98 and Mac OS 8.6 or higher.