This instruction set consists of: - A WHIS transmitter and receiver. A 220V duo charger that allows both WHIS devices to be charged simultaneously. - A discreet little clip-on microphone with built-in noise suppression. - An earpiece to place on the ear, easy and hygienic to fit behind the auricle and suitable for every ear. - A spare earpiece. - A beautiful storage case with foam padding. - The set is delivered ready to use with a Dutch manual. - 1 year warranty