USB Wall Charger, Magic-T Bundle of 4 Universal USB AC/DC 1.0A AMP Travel/ Home Wall Charger Power Adapter for iPhone 6 6 Plus ,5S,4S,Samsung Galaxy S7, External Batteries and More Built-in Integrated Circuit (Microchip)-High performance & electrical safety: Speeds up charging but consumes lower power. Compatible with all USB charging cords. Work with mobile phones, tablets, and the other smaller devices, including iPhone, iPod, HTC, Blackberry, MP3 Players, Digital Cameras, etc. Wide Operating Voltage Range- Input: 100V-240V & Output 5V/1A (U.S. & World Standard): Wide voltage range matches different safe voltage standards. You can take it with you to travel around the world. Compact Size- about one inch in size: Fit in a hand of children. Easy to carry around and barely weights your bag. Great option for travelers, business or pleasure, for charging their devices. 4 chargers in 1 pack - (Hot Pink/Orange/Green/Blue): one for charging on the go, while the others served as back-up charger at home, office or wherever. Manufactured by Magic-T - 12 months Warranty. If for any reasons you are not satisfied with our service or product, please contact us first. We take responsible for any un-expectable issues in 12 months.