No, the USB-A ports on the 4-in-1 USB-C Slim Multiport Adapter 4K are for data transfer and do not support charging devices like smartphones or tablets.

• The 2 USB-A 3.2 Gen 2 ports transfer data at up to 10Gbps.
• Connected USB devices should not draw more than 900mA.
• The 4-in-1 USB-C Slim Multiport Adapter 4K is not compatible with the Apple USB SuperDrive or other CD readers, because they need too much power.