Cache Memory features: (Black 8G) 8-128GB USB i-Flash Drive Memory Stick U Disk for IOS/PC/Android Phone/Iphone Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Colour:Black 8G Compatible with the following models : iPhone 7 , iPhone 7 Plus iPhone 6 / 6s, iPhone 6 Plus / 6s Plus iPhone 5, iPhone 5S, iPhone 5C iPad Air, iPad Air2 iPad mini iPad mini 2 / 3 / 4 iPad Pro iPod touch 5 All Android smart phone. (Please mark sure your phone support OTG and the biggest capacity,some old Android may not support 128GB. ) Notes: When you connect the USB flash drive to your phone or ipad ,it will ask you install a free app , please free to install it first, then open this app, it would appear a small page on the phone, then click "allow" to allow it, then it can access on the iphone . Interface: 1x USB 3.0 (Used for computer) 1x Lighting (Used for ipad/iphone) 1x Micro-USB connector (Used for OTG android phone). Notes: The flash drive can't work with Type-C interface android phone .such as Samsung Galaxy S8,Note 8 ,etc. As the flash drive can't plug into the Type-C phone. However, If you have a Micro USB to Type-C Transfer cable, the flash drive also will works.