Features:
* Specially designed for wireless BT earphones, earbuds and headphones with Micro USB ports.
* 300mAh capacity power bank can charge your wireless BT earphones for 5 times.
* Made of high-quality plastic material, durable and shock-proof.
* Mini size and lightweight design make it portable to carry.
* Built-in smart chip automatically matches the rated voltage and current of the earphones without harm.
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