1. Product Overview
The AP28 PRO Wireless Earphones are designed for a superior audio experience, featuring Bluetooth 5.3 connectivity, intuitive touch controls, and deep bass. These in-ear earbuds are suitable for music listening, gaming, and sports activities, equipped with a built-in microphone for clear calls.
Figure 1: AP28 PRO Wireless Earphones (Black) in Charging Case
2. Package Contents
Ensure all items are present in the package:
- 1 x AP28 PRO Bluetooth Headset (Left and Right Earbuds)
- 1 x Charging Case
- 1 x User Manual (this document)
- 1 x USB Charging Cable (Type-C)
3. Specifications
| Feature | Specification |
|---|---|
| Brand Name | docooler |
| Model Name | AP28 PRO |
| Material | Plastic |
| Style | In-ear |
| Communication | True wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Wireless Range | <10m |
| Vocalism Principle | Dynamic |
| Horn Diameter | 13mm |
| Sound Isolating | Yes |
| Active Noise-Cancellation | No |
| With Microphone | Yes |
| Control Button | Yes |
| Volume Control | Yes |
| Charging Method | Charging case |
| Charging Interface | Type-C |
| Headset Battery Capacity | 30mAh |
| Charging Case Battery Capacity | 200mAh |
| Headset Battery Life (Music Playback) | Up to 4 hours |
| Call Duration | Up to 5 hours |
| Headset Charging Time | 30 minutes |
| Charging Case Charging Time | 1.5 hours |
| Earphone Recharges from Case | 2 times |
| Net Weight | 40.8g |
| Charging Box Size | 53.5 x 44 x 24.5mm |
Figure 2: Detailed Product Parameters
4. Setup
4.1 Initial Charging
Before first use, fully charge the earphones and the charging case.
- Connect the provided Type-C USB charging cable to the charging case and a power source.
- The LED display on the charging case will indicate the charging status.
- Charging case charging time: Approximately 1.5 hours.
- Earbuds charging time (inside the case): Approximately 30 minutes.
Figure 3: LED High-Definition Display on Charging Case
4.2 Pairing with a Device
The AP28 PRO earphones feature automatic pairing for a seamless experience.
- Ensure the charging case has sufficient power and the earbuds are inside.
- Open the lid of the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "AP28 PRO" from the list of found devices to connect.
- Once connected, the earbuds are ready for use. They will automatically connect to the last paired device when the case is opened.
Figure 4: Automatic Pairing Process
The advanced Bluetooth 5.3 technology ensures a stable connection up to 10 meters with minimal delay.
Figure 5: Bluetooth 5.3 Transmission Technology
5. Operating Instructions
The AP28 PRO earphones feature intuitive touch controls for easy management of audio playback and calls.
5.1 Touch Controls
The earbuds respond to light touches on their surface. Specific functions for single, double, or long presses are typically detailed in the quick start guide or can be discovered through use. The touch control area is often indicated by a subtle design element.
Figure 6: Fingerprint Touch Control Area
5.2 Power On/Off
- Power On: Open the charging case lid, and the earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
5.3 Music Playback
Use the touch controls to manage your music:
- Play/Pause: Typically a single tap on either earbud.
- Next Track: Often a double tap on the right earbud.
- Previous Track: Often a double tap on the left earbud.
- Volume Control: May involve a long press or multiple taps, depending on the specific model's configuration.
5.4 Call Management
With the built-in microphone, you can handle calls hands-free:
- Answer/End Call: Typically a single tap on either earbud.
- Reject Call: Often a long press on either earbud.
6. Maintenance
Proper care will extend the life and performance of your AP28 PRO earphones.
6.1 Cleaning
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or aerosol sprays.
- Keep charging contacts clean and free of debris.
6.2 Storage
- When not in use, store the earphones in their charging case to protect them and keep them charged.
- Store in a cool, dry place away from extreme temperatures and direct sunlight.
6.3 Water Resistance
The earphones are designed with touch waterproof features, making them resistant to sweat and light splashes. However, they are not suitable for swimming or submersion in water.
7. Troubleshooting
If you encounter issues with your earphones, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing/connecting |
|
| No sound or low volume |
|
| Earbuds not charging |
|
| Touch controls unresponsive |
|
8. User Tips
- For optimal sound quality and comfort, ensure the earbuds fit snugly in your ears.
- Regularly check the battery level on the charging case's LED display to avoid unexpected power loss.
- Keep the charging case and earbuds clean to maintain good charging contact and audio performance.
- If experiencing connection issues, try resetting the Bluetooth connection on your device.
9. Warranty and Support
9.1 Warranty Information
The AP28 PRO Wireless Earphones come with a 12-month manufacturer's limited warranty for defective items from the date of receipt. Accessories included in the package are covered by a 3-month warranty.
This warranty does not cover items damaged or misused after receipt. Any defective items must be reported and returned within the warranty period, preferably in their original packaging. Please provide your order number when reporting a defect.
9.2 Customer Support
For further assistance, technical support, or warranty claims, please contact the seller or refer to the platform's customer service channels where the product was purchased.
