Zg-R30 is a charging Case which is designed for the Rode Wireless Go microphone, which has a soft contours and neat exterior design with overcurrent protection, over-voltage protection, over-temperature protection and abnormal detection functions, can prevent the battery damage due to over-charge Charging Case adopts flame retardant material to ensure safe charging of equipment.Exclusive CustomizationThe charging case compatible for Rode Microphones Wireless Go/Go 2.This charger box is small and compact, making it easy to charge, storage and carry. It is a good choice of accessories.3400mAh CapacityPowerful charging station with built-in 3400mAh battery can fully charge up to 7 Rode Wireless Lavalier Go Ii,the charge box can be fully charged in just 2 hours.Simple ChargingThe charging case supports multi-slot charging for up to 3 devices (2TX and 1RX) at the same time. Take the hassle out of charging multiple cables.Multi-ProtectBuilt-in safety Integrated circuitry with powerful multi-protection features Compatible with Rode Wireless Go original battery.usb Output PortExternal Usb port for charging mobile phone or other devices for emergency usage..