Ruyage Radio Zello Walkie-Talkie(ZL50)About this item Work with Zello Push to Talk Walkie Talkie App : Our RUYAGE radio works with Zello Push to Talk Walkie Talkie App, allowing for private and group calls. With the ability to create groups and call multiple members simultaneously, communication becomes more efficient than ever before. Zello Walkie Talkie: these walkie talkie phones are compatible with the Zello platform, it supports private calls and group calls, you can call a person,