Sony BATC-3AA Replacement Battery Case for UWP-D and DWZ Series Components Bubblebee Industries You can also use Viviana

You can also use Viviana Cloud with a Zoom F8 multitrack field recorder or an external card reader or USB drive

It enables quick attachment and detachment between the boom pole and the harness

Colour Coded labels allow quick identification of strap size

along with long-lasting battery power

4 GHz & 5 GHz Dual Band

Sony BATC-3AA Replacement Battery Case for UWP-D and DWZ Series Components Bubblebee Industries You can also use VivianaThe Sony BATC 3AA Battery Case holds two AA batteries to provide quick and easy battery exchange for Sony UWP D Series UTX B03, UTX P03, URX P03 bodypack transmitters and receiver, and DWZ Series ZTX B01 and ZTX B02RC bodypack transmitters. Key Features: Allows for quick and easy battery exchange between applicable models. For two AA size batteries. Battery Case which is compatible with UTX B03, URX P03, ZTX B01 and ZTX B02RC.