Safe and environmental friendly. 100% Brand New and High quality. 18650 rechargeable li-ion lithium battery. Suitable for laser pointer, flashlight torch and other electronics products.
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.