NIU C21A

Display type

The type of technology used in the display.

Display size

Screen diagonal in inches. Larger displays offer more screen real estate.

Battery

Battery capacity. Higher capacity generally means longer battery life between charges.

5G

Fifth-generation cellular connectivity. 5G can offer faster download speeds and lower latency where available.

IP rating

Materials and durability (e.g. IP rating).

Thickness

Device thickness. Thinner devices are often more pocketable.

Width

Physical size: height, width, thickness.

Height

Physical size: height, width, thickness.

Weight

Total weight. Lighter phones are more comfortable to hold.

SIM

SIM and eSIM configuration.