Hello, the 3-in-1 data cable usually refers to a data cable with multiple connectors, which can be compatible with a variety of device interfaces (such as Micro USB, Type-C, and Lightning). Although the 3-in-1 data cable can connect two phones at the same time, whether you can charge two phones at the same time depends on the power of the data cable and the charging requirements of the device.
If the power of the 3-in-1 cable is high enough and both phones support simultaneous fast charging, then they should be able to charge at the same time. However, if the power of the data cable is insufficient, or one of the phones does not support fast charging, it may cause both phones to charge at the same time slower or unable to charge at the same time.
In short, to ensure that both phones are charged at the same time, it is recommended to use a three-in-one data cable with higher power, and ensure that all devices support simultaneous fast charging.
1. Do not charge two mobile phones at the same time. 2. Because the design structure of the 3-in-1 data cable can only support one device to charge, it cannot provide charging current for two mobile phones at the same time. 3. If you need to charge two mobile phones at the same time, you can consider using a two-port charger or a multi-port charging socket, which can connect multiple charging cables at the same time to charge multiple devices.
It is not to see the line, it is to see whether the current of your charger can support the current flow of two mobile phones charging at the same time.