General description Wireless Bluetooth PTT Walkie Talkie Control Button is designed for seamless communication with your smartphone. It features an adjustable strap for convenience and is compatible with both iOS and Android devices. Technical specifications Connect methods: Wireless Bluetooth Software: For Connection Connection distance: 30M Supported operating systems: Android 4.0 and above, iOS 8.0 and above Battery: CR2032 (requires installation) Working hours: At least 200 days Material: Plastic Color: Black Measurement allowed error: +/- 1-3cm Installation Step 1: Install the battery by turning the button to remove the chip inside, install the battery, and turn the switch to "ON". Step 2: Open the Wireless and Bluetooth settings on your mobile phone. Step 3: Open the app, click "Options", then "Push-to-Talk", and click the button. Wait for the connection to show "PTT-Z01". Step 4: Click "PTT-Z01", choose "Hand to Talk", and click the button to communicate. Usage Use the button