Multifunctional waterproof USB motorcycle charger - designed for cycling enthusiasts This motorcycle USB charger is designed for cycling enthusiasts, integrating efficient charging, waterproof performance and convenient operation. Whether it is a long-distance trip or daily commuting, it can provide stable and fast power support for your smart devices, making riding more worry-free and safer. Core functions: Dual USB-A QC3.0 fast charging interface: equipped with dual 27W USB-A QC3.0 interfaces, it supports high-speed charging of two devices at the same time, compatible with mobile phones, tablets, navigators and other devices, greatly improving charging efficiency. Fast charging 3.0 technology: using QC3.0 intelligent protocol, automatically matching the current required by the device (5V/3A, 9V/3A, 12V/3A), shortening the charging time, and compatible with mainstream brand devices. Waterproof and dustproof design: IPX4 level protection structure, no fear of wind and rain or splashing water, ensuring stable operation in bad weather. One-button switch control: The physical switch key can cut off the power supply at any time to avoid standby energy consumption, extend the life of the device, and save energy and be safer. Applicable scenarios: Long-distance riding: Continuously power mobile phones and GPS devices to avoid getting lost or power anxiety. Daily commuting: Quickly recharge to ensure that communication, navigation, and entertainment devices are available at any time. Product advantages: ✔ Efficient dual-port charging: Dual 27W QC3.0 output, dual devices can be quickly charged at the same time. ✔ Plug and play installation: SAE interface + fuse harness, compatible with most motorcycle circuits. ✔ Multiple safety protections: overvoltage, overcurrent, short circuit, overheating protection, charging is safer. ✔ Wide compatibility: Supports mainstream devices such as iPhone, Samsung, Huawei, iPad, etc.