Set of 4 USB chargers, 5V 1A USB plug, 5V 1A plug, universal power adapter for fast charging, charging function for mobile power supply--BIEMMEDUE

Safe and secure charging: This USB charger features a built-in smart protection chip that safeguards your device from short circuits, overcharging, overheating, and overcurrent, ensuring safe and reliable charging. Universal compatibility: This USB adapter is perfect for charging a wide variety of devices, including smartphones, tablets, smartwatches, MP4 players, and more. It is fully compatible with Samsung, iPhone, and other devices with a USB port. Compact and portable design: The 5V/1A charger boasts an ultra-thin and lightweight design, making it ideal for carrying in your pocket or briefcase. Perfect for home, office, or travel. Its compact size makes it easy to transport and store. High-quality specifications: With a 100-240V AC input and a 5V/1A DC output, this charger guarantees efficient 5W charging. Furthermore, it is constructed from durable materials that can withstand high temperatures, ensuring optimal heat dissipation.