This product is either discontinued or we cannot get that from suppliers.
IP 67 Standard , dustproof, waterproof, shockproof
BT4.0,NXP NFC(13.56M)
double frequency WIFI 802.11(a/b/g/n)
Android 5.1
8500mAh Polymer lithium battery
The big benefit of SSD over HDD is performance. SSDs also have no moving parts so risk of failure is much lower.