Epilator series braun silk epil 7 shaving systems tweezer principle trimmer shaving foil colours white violet areas of use face body number of attachments 5 attachments peeling head standard epilation head shaver head trimming head underarm bikini line attachment included in delivery instructions travel pouch power supply rechargeable operating time 40 min charging time 1 h speed level 2 number of tweezers 40 manufacturer specific features braun