The product is durable. The ingredients contained are not easily influenced by other substances, thus it will not easily get oxidization and deterioration.
Quality tests of WJM will be conducted rigorously complying with the requirements in the phone accessories industry. It has a series of quality tests including pressure test, high/low-temperature test, strength test, etc.
Good reliability is one of the biggest selling points of the product. The reliability guarantees consistent performance throughout the lifetime of the product.