256 GB | USB Type-A | USB version 3.2 Gen 1 (3.1 Gen 1) | Read speed 220 MB/s | Write speed 100 MB/s | Form factor Capless | Colour Black | Housing material Metal | Width 12.2 mm | Depth 39 mm | Height 4.6 mm | Weight 5 g | Operating temperature (T-T) 0 - 60 °C
HV620S | 1000 GB | 2.5 " | USB connector Micro-USB B | USB version 3.2 Gen 1 (3.1 Gen 1) | Colour Blue | Housing material Plastic | Operating temperature (T-T) 5 - 50 °C | Weight 152 g
Colour Black | Round | Smartphone/tablet remote support Yes | Bumper guard Yes | Wet mopping Yes | Dust capacity (vacuum cleaner) 0.5 L | Water tank capacity 3.5 L | Automatic base station return Yes | Base station functions Charging,Purification | Stairs detection Yes | Obstacle detection Yes | 2xNumber of brushes | Runtime 230 min | Height 96.9 mm | Suction power 13000 Pa