Citizen CT-S751 User Manual page 49

3. For supplying power
Connect a mobile device or other USB device.
Power can be supplied to a connected USB device.
* This port does not support USB data communication.
CAUTION
 This port does not support USB data communication.
 Power may not be able to be supplied depending on the USB device to be used.
In this case, use the device's dedicated AC adapter or battery charger.
 A USB cable for power supply is not included with this product.
Use a commercially available USB cable or the one that comes with the USB device.
 The Lightning model does not have a power supply function.
Refer to 3.8 USB Power Supply Port
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