Shanelle is slender, dark and pretty with light blue eyes.
Shanelle is not very strong in the One Power. Her level of strength is described by "The Wheel of Time Companion" as 32(20) which is a middle/low level in Aes Sedai hierarchy. With this level of strength she is unable to open alone a suitable gateway to Travel.
Being a Yellow sister means that Shanelle has some abilities in the Healing weaves. She was stated to have a very good ability in it.
She was born not far from Ebou Dar.
She has allied herself with the Salidar Aes Sedai.
She is present in the Little Tower when Nynaeve al'Meara Heals both Siuan Sanche and Leane Sharif of stilling completely shocking everyone. Shanelle suggested that a smooth touch on the Healing would be better.
She sometimes flirted with men, but was all business with her Warder.