USB powered, Only 5 volts are required,Can be used normally in any country.

Seller Message:
Dear customer, thank you very much for your patronage. Please confirm the consignee, receiving address and contact phone number before placing the order so that the postman can deliver the package accurately and reduce the probability of loss. If you encounter any problems during the purchase process, please communicate with the online staff first and we will try our best to solve all your problems. Thank you very much for your patronage! I wish you a happy life! Sincerely, Seller Arry.