Instruction: What is the relevance between the query and the product title below? Answer from one of the options.

Input:
Query: power bank portable charger 3.1 a
Product: EasyAcc 10000mAh Power Bank Brilliant External Battery Pack (3.1A Smart Output) Classic Portable Charger for iPhone Samsung Smartphones Tablets - Black and Orange

Options:
A: The product is relevant to the query, and satisfies all the query specifications.
B: The product is somewhat relevant. It fails to fulfill some aspects of the query but the product can be used as a functional substitute.
C: The product does not fulfill the query, but could be used in combination with a product exactly matching the query.
D: The product is irrelevant to the query.
Answer: A: The product is relevant to the query, and satisfies all the query specifications.