1. Product Overview
The Inrico Wireless PTT Microphone (Models B01 and B02) is designed to enhance communication for Push-To-Talk (PTT) applications like Zello and Real-PTT. It connects wirelessly via Bluetooth to compatible smartphones and other devices, offering a convenient and robust solution for clear audio transmission and reception.
Figure 1: Inrico Bluetooth Microphone B01/B02
Key Features:
- Large Push-To-Talk (PTT) button for easy operation.
- Group switch functionality.
- Wireless microphone for PTT applications (Zello, Real-PTT).
- TX/RX indicator for transmission and reception status.
- Bluetooth 4.2 connectivity.
- Compatible with Android (V7.0, V8.1 and above) and iOS systems (B02 model).
- Built-in speaker and microphone.
- SOS emergency button.
- USB charging port and desktop charger interface.
Figure 2: Device Layout and Controls
- Function indicator: Shows device status.
- Power indicator: Shows power and battery status.
- MIC: Built-in microphone.
- Speaker: Built-in speaker for audio output.
- PTT: Push-To-Talk button for communication.
- Volume up / Group switch page up: Increases volume or navigates up in group lists.
- Volume down / Group switch page down: Decreases volume or navigates down in group lists.
- SOS button: For emergency signaling.
- Earphone jack: 3.5mm port for external earphones.
- Power / play / pause button: Controls power and media playback.
- USB: Micro USB charging port.
- Desktop charger interface: For use with a desktop charging dock.
2. Setup
2.1 Charging the Device
Before first use, fully charge your Inrico Wireless PTT Microphone. The device can be charged using the provided USB cable or a compatible desktop charger.
- USB Charging: Connect the Micro USB cable to the USB port on the side of the microphone and to a power source (e.g., computer USB port, USB wall adapter).
- Desktop Charging: Place the microphone into a compatible desktop charging dock, ensuring the desktop charger interface aligns correctly.
Figure 3: Battery Specifications and Charging Options
The power indicator LED will show charging status. A full charge provides approximately 14 hours of talking/PTT time and over 90 hours of standby time.
2.2 Powering On/Off
- Power On: Press and hold the Power/Play/Pause button until the power indicator lights up.
- Power Off: Press and hold the Power/Play/Pause button until the power indicator turns off.
2.3 Bluetooth Pairing
The Inrico Wireless PTT Microphone uses Bluetooth 4.2 for connection. It is compatible with Android devices (V7.0, V8.1 and above) and iOS devices (B02 model). While some product descriptions may indicate Android-only support, the B02 model and visual evidence confirm iOS compatibility.
- Ensure the microphone is powered on and in pairing mode (the indicator light may flash).
- On your smartphone (Android or iOS), navigate to the Bluetooth settings.
- Turn on Bluetooth.
- Search for available devices. The microphone should appear as "B01" or "B02" (or similar).
- Select the microphone from the list to pair. A confirmation sound or indicator change will signal successful pairing.
Video 1: Demonstrating Bluetooth Pairing and PTT Functionality
Figure 4: Example of iOS Bluetooth Pairing for Zello
3. Operating Instructions
3.1 Using with PTT Applications (Zello, Real-PTT)
Once paired, the microphone integrates with Push-To-Talk applications on your smartphone.
- Open your preferred PTT application (e.g., Zello, Real-PTT) on your paired smartphone.
- Ensure the application recognizes the Bluetooth microphone as an audio input/output device.
- To transmit, press and hold the large PTT button on the microphone. Speak clearly into the microphone.
- Release the PTT button to stop transmitting and listen for replies.
Figure 5: PTT Application Compatibility
3.2 Volume Control and Group Switching
- Use the "Volume up / Group switch page up" button to increase audio volume or navigate upwards in group lists within your PTT application.
- Use the "Volume down / Group switch page down" button to decrease audio volume or navigate downwards in group lists.
3.3 SOS Emergency Button
The orange SOS button can be configured within your PTT application for emergency signaling or other custom functions, if supported by the application.
4. Maintenance
4.1 Cleaning
- Wipe the device with a soft, dry cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Ensure no moisture enters the ports.
4.2 Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- Charge the device regularly, even if not in use, to maintain battery health.
- Store the device in a cool, dry place within the recommended storage temperature range (-20°C to 70°C).
Figure 6: Battery Performance Overview
4.3 Environmental Considerations
The device has an IP54 protection level, meaning it is protected against dust ingress and splashing water. It is also designed to withstand drops from 1.2 meters.
5. Troubleshooting
- Device not powering on: Ensure the battery is charged. Connect to a charger and try again.
- Cannot pair via Bluetooth:
- Ensure the microphone is powered on and in pairing mode.
- Turn off and on Bluetooth on your smartphone.
- Ensure the microphone is within the 10-meter transmission distance.
- Forget the device in your phone's Bluetooth settings and try pairing again.
- No sound when using Zello/PTT app:
- Verify the microphone is successfully paired and connected to your smartphone.
- Within the Zello (or other PTT) application, navigate to the settings and ensure "Bluetooth mode" or the external microphone is selected as the audio input/output.
- Check the volume levels on both the microphone and your smartphone.
- Poor audio quality:
- Ensure you are within Bluetooth range of your paired device.
- Check for obstructions between the microphone and your smartphone.
- Ensure the microphone is not covered or obstructed during use.
6. Specifications
| Category | Feature | Detail |
|---|---|---|
| Hardware | Bluetooth Version | BT2.1+EDR (Bluetooth 4.2 mentioned in features) |
| Protocol | HFP; HSP; A2DP; AVRCP; SPP | |
| Transmit Distance | 10 Meters | |
| Max Transmission Power | Class2, 4dbm | |
| Sensitivity | 80dBm < 0.1%BER | |
| Audio Performance | SBC Decoding | |
| Speaker | 1W/8R | |
| Software | Supported OS (Android) | Android V7.0, V8.1 and above |
| Supported OS (iOS) | iOS (B02 model) | |
| Physical | Dimensions (H*W*D) | 90 x 64 x 29mm |
| Weight | ≈ 100g (approx. 84g / 2.9 oz from image) | |
| Working Temperature | -20°C ~ 55°C | |
| Storage Temperature | -20°C ~ 70°C | |
| Battery Capacity | 2000mAh / 3.7Wh, 3.7V | |
| Certifications | Protection Level | IP54 |
| Drop Resistance | 1.2 Meters | |
| Certificates | CE/FCC/ROHS/UN38.3/MSDS/IEC62133 |
Note: There is a slight discrepancy in Bluetooth version (BT2.1+EDR vs. Bluetooth 4.2) and weight (≈100g vs. 84g/2.9oz) between different sources. The more specific Bluetooth 4.2 and 84g weight are generally more accurate for modern devices.
7. Warranty and Support
The Inrico Wireless PTT Microphone is certified with CE, FCC, ROHS, UN38.3, MSDS, and IEC62133 standards, ensuring compliance with various safety and quality regulations.
For specific warranty information and technical support, please refer to the seller or manufacturer's official website. Keep your purchase receipt for warranty claims.
8. User Tips
- Optimal Zello Performance: If you experience no sound or connectivity issues with Zello, always check the in-app settings to ensure the Bluetooth microphone is correctly selected as the audio device.
- Battery Longevity: Regular, partial charging is often better for lithium-ion batteries than waiting for a full discharge.
- Firmware Updates: Check the manufacturer's website periodically for any available firmware updates for your microphone model, which may improve performance or add features.
