Swing/Rocker/Bouncer ....HELP!!

Sonia
Hey all, I am a FTM desperately looking for a swing/rocker/bouncer which my 4 weeks old baby will like and stay in it atleast for some amount time. I got the FP snugapuppy cradle n swing looking at the good reviews but sadly he doesn't even stays in it for 2 mins 😩. 
Any recommendations will b really helpful ...thanks 😊