This is a mechanical HDD drive with a 1 TB storage capacity. This model has a 2.5" form factor.
From Amazon
Freecom 56007 1TB Mobile Drive XXS USB 3.0 2.5 Inch External Hard Drive
HDEW Cameras
Freecom Mobile Drive XXS 1TB USB 3.0
Clove Technology
Freecom Network Drive XXS 3.0 External HDD 1000 GB Black