travel charger, Parameter: Input: AC 110-240vOutput: DC5V 400-500Mah;Protections: the charger has short circuit protection and over voltage protectionAdvantages: 1. has short circuit protection and over voltage protection 2.High charging efficiencySafe and reliable 3. Highly competitive prices one year warranty 4. Lightweight design aesthetic is your best choice for travel Others: 1. Charger can be printed with customer logo 2. Package as customer request, normal is Polly bag packing for free