Global design: This charger uses a standard USB interface and is suitable for global power sockets (input voltage range 100V~240V), ensuring that you can conveniently charge your devices wherever you are. Intelligent IC solution: Built-in intelligent IC solution, which can automatically identify and adjust the output voltage (5V, 4.2V, 3.7V) to adapt to different devices. The red light is on when charging, and the green light is on when fully charged, which is convenient for users to understand the charging status. Wide applicability: It is suitable for various devices that are powered or charged through the computer USB interface, including mobile phones, MP3, MP4, MP5, USB fans, USB air purifiers, etc. It is especially suitable for charging lithium battery flashlights, fishing lights, headlights and other devices. Efficient and safe: Fast charging speed, high efficiency, and overcharge protection ensure that the charging process is safe and reliable. It is suitable for charging most mobile phones with rechargeable data cables, as well as USB devices and other power sources such as USB speakers, USB fans, USB heating products, etc. Portable and beautiful: Lightweight and beautiful, easy to carry, and simple to operate. Whether you are traveling or using it daily, it can easily meet your charging needs.