Brand new, free shipping, instant purchase OK Product name: 4-port USB rapid charger Color: White Compatible with iPhone, iPad, Android, and other USB charging devices. Equipped with 4 USB charging ports, it can charge 4 devices such as iPhones and Android devices simultaneously. Maximum output current 3.1A. Compatible with QC 3.0 With the Quick Charge 3.0 (*) charging standard, you can fully charge your smartphone about 4 times faster than USB charging. Input: 110V - 240V. [Compatible devices] iPhone, iPad, iPod, smartphones, mobile phones, mp4 players, game devices, devices such as digital audio speakers and wireless audio receivers, When rapid charging, the amount of current used increases when using all 4 ports simultaneously, which can cause heat. However, the built-in IC chip charger is designed to prevent overcharging, overcurrent, and overheating, and to identify safe charging. After connecting the device to be charged, please check the power indicator/lamp operation of the connected device. The LED lamp lights up on the top port. If you cannot feel the rapid charging, the maximum output of the charging cable may be low. We recommend using a cable that supports 2A or more.