Lady bikini trimmers, review please?

so im a 15 year old girl, and i have recently had a bikini shaver, but it's broken, so i need to get a new one because my hair down there, doesnt grow a bit quicky, so i was wondering, i just wanna get a cheap bikini timmers, and i wanna know if anyone has tried 'Wahl Ladies beauty Bikini Trimmer, from Argos? and reviews please.