Smart USB Charger, Compatible with USB Adapters, with LED Indicator, Latest Version Smart Overcharge Protection

Smart USB 1

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Premium Performance – Portable and sturdy USB charger.，Please confirm whether the connection port matches the device before use.(threaded charging port)， Simply plug your device into the smart USB charging contact port. The compact design keeps your device stable and provides the best charging experience.
Superior Safety – The charger has superior safety, including a built-in smart IC chip, designed to prevent overheating, excess current, excess voltage and short circuit problems.When the charger is fully charged, it will automatically stop charging to protect our equipment to the greatest extent.
ADAPTABLE – The USB charger cable works with most USB charging devices，which can be used on computers, mobile power banks, and cars, which is fast and convenient, and has more choices. Please confirm whether the connection port matches the device before use.(threaded charging port)
Plug and Play-Lightweight, Portable, Lightweight Small Device. Let you take it anywhere, anytime. Small in size to fit in pockets and other items.
Easy to operate-Parameter- Input: DC5V; Output: DC4.2V-420mA; Indicator light: red light and green light;，If you have any questions during use, please contact us. We will provide you with a satisfactory solution.