do you need a screen protector plus this cat22 case for front and back screens

We do not offer screen protectors for CAT s22. FYI, the screen is recessed within the case for protection.

wireless charging be done through this case ?

I don't think the S22 model supports Qi wireless charging so you'd have to use one of those Qi adapters (aka Qi receiver). Yes, you can still charge wireless with the case if you have Qi adapter and Qi wireless charging pad.

Brand	Nakedcellphone
Manufacturer	Nakedcellphone
Model	S22FLIP
Model Name	S22 Flip
Product Dimensions	3 x 11.1 x 15.6 cm; 30 g
Item model number	S22FLIP
Compatible Devices	CAT S22
Special Features	Lightweight
Mounting Hardware	cell phone case
Standing screen display size	6.2 Inches
Batteries Included	No
Batteries Required	No
Material	Rigid Rubberized Plastic
Form Factor	Flip
Manufacturer	Nakedcellphone
Item Weight	30 g

Plastic Case For Cat S22 Flip Phone, Plastic Slim Hard Shell Protector Cover - Black

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