Features: Stay connect worldwide with Radio. Communicate seamlessly with other devices, perfect for international business cooperation and communication. Experience stable and efficient communication with 4G support. Enjoy uninterrupte signal for smooth communication in any location. Suitable for various communication needs, this device is perfect for professional in different field. Operations and improve efficiency with this device. Perfect for logistics coordination and information transfer. Stay connect during your travel with this device. Keep touch with companions and receive updates Specifications: Item：Talkie Phones PTT Button Support：3G/4G Number of Channels：200 Frequency：WiFi Distance：for 100Miles Size：As Pictures Package Includes: 1 Set Talkie Phones note: Due to the problemsof lighting effects and shootingangles, there might be tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.