Spec:
Item Type: M.2 SSD Duplicator
Material: ABS
Supports Hard Disks: M.2 SATA​ (B Key/B and M Key)
SSD Position: Dual Bay
External Interface: Type C
Product Features: One to One SSD Offline Clone, Data Transmission
Operating System: Suitable for Win /7/8/9, for OS X Laptop.

How to Use:
Plug and Play

Package List:
1 xM.2 SSD Duplicator1 x SSD Box
1 x USB C Cable
1 x User Manual

Notice:
If you use M.2 and B key solidstate drives, you will need to use them with the adapter (not included). When offline cloning is applied, please make sure that the capacity of the target M.2 SATA​ SSD is larger than that of the original M.2 SATA​ SSD.Please make sure your hard disk is M.2 SATA​ protocol before purchase, our products support M.2 sata​ protocol, not M.2 NVME protocol.