GN ReSound Surefit 1 Receiver 2-Pin 0,1,2,3,4 NP HP2 Linx Verso Alera Dot This listing is for one Resound Surefit (Version 1) RIE Discontinued 2-Pin Receiver. These will fit most all Resound Receiver in the Ear (RIE) Hearing Aids manufactured from approximately 2008 through 2015 including: Resound Linx (1st Generation), Alera, Verso, Dot, and Dot 2. These receivers are also compatible with most models of Beltone, Rexton, and Costco Hearing Aids manufactured during the same time period. Select the side you need. (Right or Left) Next, select the size length you require. (the sizes run from 0 to 4) Finally, select the level of strength that you require. (Small, Normal Power, High Power, or High Power 2)