Important Note: Only one micro usb cable with 'transfer mark' supports simultaneous transfer and charging, the other 2 micro usb of this 3 in 1 usb charging cable is for charging only, no data transfer function. Simultaneous Charging: Multi micro usb charging cable included three Micro USB Male, 3-in-1 design, convenient to charge three devices at the same time. High Quality: Our micro usb to usb splitter cable is made of premium wire core and eco-friendly outer, enhances its durability, safety and flexibility, as well as lightweight and portable to carry. Widely Compatibility: Multiple usb charging cable is suitable for USB, USB Type C, Micro USB. Excellent Service: Any issue or unsatisfaction please do not hesitate to contact us for refund or resend.