Does Honor Holly 2 Plus support OTG cable ?

Yes, the Honor Holly 2 Plus has support USB OTG functionality. You can connect your external drives to the phone and view the files stored on them on your device.
Additioanally, the phone also can be used to charge other devices via USB cable. ,

Huawei Honor Holly 2 Plus does support USB OTG functionality. The supported USB standard is microUSB v2.0 which is compatible with OTG. This allows you to connect the device with the computer or other USB powered devices. The supported cable is capable for both data and power charging functionality.

You can get more information on the specifiations of Holly Honor plus 2 : http://www.gsmarena.com/huawei_honor_holly_2_plus-7882.php

Honor Holly 2 Plus is a newly launched smartphone from a reputed brand like Huawei Honor. This phone does support OTG cable. Check out complete details about it like features, specification and latest price Honor Holly 2 Plus On Flipkart

Yes, the model Holly 2 Plus from Honor has support for OTG cable. It has got the standard microUSB v2.0 which goes with OTG as well. So connecting other hard disks is now easier with this option.
The best part of this cable is that it can be used for charging both data and power.