Size: The Widex Easywear receivers come in sizes
 0, 1, 2, 3, and 
4. With 0 being the shortest and 4 being the longest.
Power: They come in 
S or standard power for mild-moderate 
hearing loss, 
M or medium power for moderate loss, and 
P or power for severe hearing loss.
Your current receiver should specify the size and power. If you are unsure, please send us an 
email or ask your 
audiologist!