What is the difference between Braun Silk-épil 3/5/7/9 epilators?
Amazon.com : Braun Silk-épil 7 7-561 - Wet & Dry Cordless Electric Hair Removal Epilator, Ladies' Electric Shaver, and Bikini Trimmer for Women : Beauty & Personal Care
Electric Razor Battery for Braun 720, 5671, 5673, 9565, 9585, 9785, 9795, 760CC, 790CC, 2011, 750cc, 5692, 569 | 889001044