HA-PEN02
Hearit.AI Stylo

Table of Contents
- Introduction
- Specifications
- Quick Start Guide
- Hardware Guide
- Features in Detail
- Firmware
- Support
- Legal
1. Introduction
Your Touch-Enabled Voice Companion
The HA-PEN02 is a smart stylus pen designed to work exclusively with the Hearit.ai app, combining touch screen functionality with AI-powered voice interaction. Through advanced AI technology, it helps you capture and process voice information while providing precision touch control for smartphones and tablets. The HA-PEN02 serves as your efficient and reliable partner.
1.1. Core Features Overview
- ✨ AI Voice Interaction: Connect to cloud-based large language models for intelligent Q&A.
- 📱 Stylus Touch Function: Precision touch control for smartphones and tablets
- 🔗 Seamless App Integration: Designed exclusively for the Hearit.AI App on iOS and Android devices
- 🔋 Smart Power Management: Automatic sleep mode after 3 minutes of inactivity to conserve battery
- 🎤 Push-to-Talk Operation: Simple button interface for instant voice recording
- 💡 LED Status Indicator: Real-time visual feedback for device status
- 🖊️ Dual Functionality: Voice recording and stylus touch in one elegant device
2. Specifications
The HA-PEN02 is a compact smart stylus with Bluetooth connectivity, designed for seamless voice interaction and touch control with the Hearit.ai mobile app.
📦 What's in the box?
- 1 × HA-PEN02 Device
- 1 × USB Type-C Charging Cable
- 1 × User Manual
📄 Technical Specifications:
| Function | Parameter Details |
|---|---|
| Product Model | HA-PEN02 |
| Product Name | Hearit.ai Stylo |
| Connection | Bluetooth 5.0 |
| Charging Interface | USB Type-C |
| Charging Specification | 5V / 1A |
| Power Management | Auto-sleep after 3 minutes of inactivity |
| Touch Function | Capacitive stylus tip for touchscreens |
| Button | Single multi-function button |
| LED Indicator | Multi-color status indicator |
| App Support | Hearit.AI (iOS 11.0+ / Android 7.0+) |
3. Quick Start Guide
Get started with your HA-PEN02 in just a few simple steps.
Step 1: Unboxing & Charging
- Take the HA-PEN02 device and USB Type-C charging cable out of the package
- Before first use, we recommend fully charging the device using the included charging cable
- Charging: Green LED solid
- Fully Charged: LED turns off
- The device will automatically power on when charged or when the button is pressed
Step 2: Connect via App
This mode is suitable for the HA-PEN02, which works exclusively with the mobile app for full access to AI features and cloud processing.
1. Download the App:
a. Download links:
Alternatively, search for "Hearit.AI" in Google Play Store or Apple App Store.
b. Open the App and complete registration or login as prompted
2. Bluetooth Pairing:
a. Enable Bluetooth on your phone and bring the device close to your phone
b. Ensure your PEN02 is charged. Push the button once if it was previously in sleep mode
c. In the Hearit.AI App home page, tap "Add Device" and select your device model (HA-PEN02) from the list
d. Follow the App prompts to complete the connection. Once connected successfully, the App will display "Connected"
e. Tap "Start Using" to enter the main interface
Step 3: Start Using
Congratulations! Your device is now set up. You can now begin exploring the powerful features of the HA-PEN02.
Using the Pen:
- Once connected to the app, the PEN02 is ready for use
- Voice Recording: Hold down the button to talk, release to send
- Touch Control: Use the stylus tip for precise touchscreen interaction
4. Hardware Guide
4.1. Button Operations
Main Button (Single Button Control)
| Operation | Function | Feedback |
|---|---|---|
| Single Press | Wake from sleep mode | LED indicator activates |
| Press and Hold | Start recording (push-to-talk) | LED shows connection status |
| Release | Stop recording and send | LED returns to standby |
4.2. LED Indicator Status
Connection Status
| Status | LED Pattern | Meaning |
|---|---|---|
| Not Connected | 🔴 Red flashing or 🔴🔵 Red/Blue alternating | Device is not connected to the app |
| Connected | 🔵 Blue solid | Device is connected to the app and ready |
| Transmitting Audio | 🔵 Blue solid | Device is transmitting audio to the app |
Power Status
| Status | LED Pattern | Meaning |
|---|---|---|
| Charging | 🟢 Green solid | Device is charging |
| Fully Charged | LED off | Charging complete |
4.3. Power & Charging
Interface: USB Type-C
Charging Status:
- Charging: 🟢 Green solid
- Fully Charged: LED turns off
Power Management:
- The PEN02 does not require manual power on/off
- It enters sleep mode when not in use for 3 minutes to conserve battery
- Press the button once to wake from sleep mode
5. Features in Detail
5.1. AI Voice Interaction
After connecting via the App, the HA-PEN02 provides seamless AI-powered voice interaction capabilities.
🎤 Push-to-Talk Operation
- Press and Hold: Start recording your voice
- Release: Stop recording and automatically send to AI for processing
- Real-time Processing: Instant transcription and AI response through the app
🤖 AI-Powered Features
Through the Hearit.AI App, you can:
- Intelligent Q&A: Ask the AI any questions
- Multi-language Support: Automatic language detection and translation
5.2. Stylus Touch Function
The HA-PEN02 features a capacitive stylus tip for precision touchscreen control.
📱 Touch Control Features
- Precision Touch: Accurate touchscreen interaction for smartphones and tablets
- Smooth Operation: Natural writing and drawing on touchscreens
- Universal Compatibility: Works with most capacitive touchscreen devices
- Dual Purpose: Seamlessly switch between voice recording and touch control
💡 Usage Tips
- Use the stylus tip for precise selection and navigation on touchscreens
- Perfect for note-taking, drawing, and detailed work on tablets
- The stylus function works independently of the voice recording feature
- Clean the stylus tip regularly for optimal touch sensitivity
6. Firmware
For detailed firmware update instructions and methods, please visit the dedicated firmware update page:
👉 View Firmware Update Guide for HA-PEN02
7. Support
7.1. FAQ (Frequently Asked Questions)
Q1: How do I use the PEN02?
- A: Connect the device to the Hearit.AI App via Bluetooth, then press and hold the button to talk, and release to send your voice message to the AI. Use the stylus tip for touchscreen interaction.
Q2: What do the LED colors mean?
- A:
- Red flashing or alternating red/blue: Not connected to app
- Blue solid: Connected and ready
- Green solid: Charging
- LED off: Fully charged
Q3: The device is not responding. What should I do?
- A:
- Press the button once to wake it from sleep mode
- Ensure the device is charged
- Check that the app is open and running
- Try restarting the Bluetooth connection
Q4: How do I know when to charge the device?
- A: If the device doesn't respond or the LED shows no activity, it may need charging. Connect it to a power source using the USB Type-C cable. The green LED will illuminate during charging.
Q5: Can I use the PEN02 without the app?
- A: No, the HA-PEN02 is designed to work exclusively with the Hearit.AI app for AI-powered voice interaction. However, the stylus touch function works independently on any compatible touchscreen device.
Q6: Does the stylus work on all touchscreens?
- A: The PEN02 stylus works on most capacitive touchscreens, including smartphones and tablets. It may not work on resistive touchscreens or devices with special screen protectors.
Q7: What is the Bluetooth range?
- A: The device maintains a stable connection within typical Bluetooth range (approximately 10 meters / 33 feet) in open spaces. Walls and obstacles may reduce this range.
Q8: The device won't connect to the app. What should I do?
- A:
- Ensure Bluetooth is enabled on your phone
- Make sure the app is open
- Try removing the device from your phone's Bluetooth settings and re-pairing
- Restart both the device and your phone
- Ensure the device is charged
Q9: How do I clean the stylus tip?
- A: Wipe the stylus tip gently with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials that could damage the capacitive tip.
Q10: Can I use the stylus while recording?
- A: Yes! You can use the stylus tip for touchscreen interaction while simultaneously using the button for voice recording.
7.2. Contact Us
If you encounter any issues that cannot be resolved, or if you have any suggestions, please feel free to contact us through the following channels:
- Official Support Email: [email protected]
- Online Help Center: https://support.hearit.ai
- Technical Documentation: https://docs.hearit.ai
8. Legal
8.1. Disclaimer
AI Service Responsibility:
This product's AI functions are powered by third-party large language models. Our company does not assume any responsibility for the accuracy, completeness, or compliance of content generated by these AI services.
Recording Legality:
When using the recording function, users must strictly comply with local laws and regulations regarding audio recording. Users are solely responsible for any legal disputes arising from illegal recording activities.
Firmware Update Risks:
During firmware updates, any device damage or data loss caused by improper operation (such as power interruption during update, use of unofficial firmware, physical device damage, etc.) or failure to follow official guidelines is not covered under warranty.
Touchscreen Compatibility:
While the stylus is designed to work with most capacitive touchscreens, compatibility may vary depending on the specific device and screen protector used. We do not guarantee compatibility with all touchscreen devices.
8.2. Warranty Policy
This product is provided with a limited warranty for a period of one (1) year from the date of purchase. This warranty does not cover damage caused by accidents, misuse, abuse, or unauthorized modifications. For detailed warranty terms, please visit our official warranty page.
Warranty Exclusions:
- Normal wear and tear of stylus tip
- Damage from drops or physical impact
- Damage from exposure to liquids or extreme conditions
Thank you for choosing HA-PEN02!
We are committed to continuously improving our products and services. Your feedback helps us make the HA-PEN02 even better.
For the latest updates, tips, and tutorials, visit:
- Website: https://hearit.ai
- Documentation: https://docs.hearit.ai
- Community Forum: https://community.hearit.ai