You don't jump higher than with normal wings, but man, you do look pretty cool.
Devil Wings price in Growtopia: sells for about 57 DL, buyers pay about 22 BGL (median of 334 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: LQMARTS, EJEN, LOYU, POLSALE, OU4V