RC-DEX is designed for basic wireless remote control of your hearing aids. It offers easy and discreet adjustment of your hearing aid volume and switching between programs. The device is wireless up to the range of 1 metre. The Widex RC-DEX Hearing Aid Remote Control is compatible with Widex Evoke, Beyond, Unique, Dream, and Clear hearing aid series. Dimensions 11.2 x 11 x 3.4 cm.