Black Medalist Thunder Second Edition

Powerful medal keychain, voltage 5,000, compatible with charging (Samsung charger), disconnect the charger when the red light turns off (charging complete), do not store the device in a humid, hot, or rainy place, monthly charging if stored for long periods, do not use around children, heart diseases, main organs, flammable materials, metals, or devices to avoid damage, avoid continuous pressure + 10 seconds if not needed, avoid operating during charging.