如果你的手机或者平板内存不够，需要添加的话， 现在 On Amazon.com this Samsung 128GB 100MB MicroSD EVO Select Memory Card with Adapter
三星128G 的内存卡， 打折减价后 for just $34.99 shipped – 是到目前为止最好的价位了。
This memory card contains enough memory for up to 6 hours of 4K UHD video, 17 hours of full HD video, 27,600 photos or 11,500 songs so you can easily capture, store and share large files. It also keeps your data safe against water, extreme temperatures, and other tough conditions. The full-sized adapter can be used in cameras and laptop or desktop computers.