Introduction
Thank you for choosing the CPTEA G3 Open Ear Headphones. These wireless Bluetooth headphones are designed for comfort and safety, allowing you to stay aware of your surroundings while enjoying clear audio. Featuring a noise-cancelling microphone and dual-device connectivity, they are suitable for work, calls, workouts, and outdoor activities.
What's in the Box
- CPTEA G3 Open Ear Headphones
- Charging Cable (USB-C)
- User Manual

Image: The CPTEA G3 headphones, charging cable, and user manual laid out next to their packaging.
Product Features
- Open-Ear Design: Rests securely without covering your ears, ensuring comfort and environmental awareness.
- Noise-Cancelling Microphone: Enhances call clarity by reducing background distractions.
- Dual-Device Connectivity: Connects to two devices simultaneously for seamless switching.
- Bluetooth 5.4: Provides a stable wireless connection up to 32 feet (10 meters).
- Extended Battery Life: Up to 12 hours of talk time or 15 hours of listening time.
- Lightweight: Weighs only 29g for maximum comfort during extended wear.
- Intuitive Controls: Easy-to-use buttons for calls, mute, and volume adjustment.

Image: Open-ear design for comfort and awareness.

Image: ENC Noise Cancelling for clear calls.

Image: Excellent sound quality with powerful bass.

Image: Lightweight and comfortable design (29g).
Setup
1. Charging the Headphones
Before first use, fully charge your CPTEA G3 headphones. Connect the provided USB-C charging cable to the charging port on the headphones and to a USB power source. The charging indicator will show the charging status.
- Charging Time: Approximately 2 hours for a full charge.
- Battery Life: Up to 12 hours talk time, 15 hours listening time, 150 hours standby time.

Image: Charging the headphones and battery life indicators.
2. Powering On/Off
- Power On: Press and hold the Power button until the indicator light flashes.
- Power Off: Press and hold the Power button until the indicator light turns off.
3. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button until the indicator light flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, laptop, tablet), enable Bluetooth and search for available devices.
- Select "G3" from the list of devices.
- Once connected, the indicator light will turn solid blue or flash blue slowly.

Image: Dual device connectivity via Bluetooth 5.4.
4. Dual-Device Connection
The CPTEA G3 headphones support simultaneous connection to two Bluetooth devices. After pairing with the first device, disable Bluetooth on that device. Then, pair the headphones with the second device. Once the second device is paired, re-enable Bluetooth on the first device. The headphones should now be connected to both devices, allowing you to seamlessly switch audio sources.
Operating Instructions
Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Mute/Unmute Microphone: Press the dedicated Mute button on the microphone boom.

Image: One-button mute functionality for calls.
Music Playback
- Play/Pause: Press the Multi-function button once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
Volume Control
- Increase Volume: Press the Volume Up button.
- Decrease Volume: Press the Volume Down button.
Maintenance
- Cleaning: Wipe the headphones with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Sweat Resistance: The headphones are sweat-resistant, making them suitable for workouts. However, avoid prolonged exposure to heavy moisture.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Connect to a power source and try again. |
| Cannot pair with a device. |
|
| No sound or low volume. |
|
| Microphone not working during calls. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | G3 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 32 Feet (10 meters) |
| Ear Placement | Open Ear |
| Item Weight | 29 Grams (1.02 ounces) |
| Battery Life | Up to 12 Hours (Talk Time), 15 Hours (Listening Time) |
| Charging Time | Approximately 2 Hours |
| Noise Control Features | Noise Cancellation (for microphone) |
| Control Type | Button Control |
| Compatible Devices | Cellphones, Laptops, Tablets |
| Material | Plastic |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided in your product packaging or visit the official CPTEA website. Keep your purchase receipt for warranty claims.