Introduction
This manual provides comprehensive instructions for the Aptkdoe HD65 Bluetooth 5.4 Sport Headphones. Please read this manual carefully before using the product to ensure proper operation and to maximize your listening experience. Keep this manual for future reference.
What's in the Box
Verify that all items are present in your package:
- 2 x Wireless Earbuds Sport
- 1 x Fast Charging Case
- 1 x USB-C Charging Cable
- 3 x Pairs of Earplugs (S, M, L)
- 1 x Instruction Manual

Image: The package contents for the Aptkdoe HD65 headphones, showing the earbuds, charging case, USB-C charging cable, and various sizes of ear tips.
Product Overview
Key Features
- Extended Playtime: Up to 15 hours of continuous use on a single charge, with a total of 75 hours using the portable charging case. Features a dual LED display for battery status.
- High-Fidelity Audio & Clear Calls: Equipped with 14.2mm speaker drivers for deep bass and clear treble. ENC noise reduction microphones ensure crystal-clear calls by minimizing background noise.
- Advanced Bluetooth 5.4: Provides instant pairing and stable transmission up to 33ft (10 meters) with low latency and reduced power consumption.
- Intuitive Button Control: Physical buttons allow for easy control of music playback, call management, and voice assistant activation without needing to access your phone.
- Ergonomic & Durable Design: Features flexible TPU ear hooks for a secure and comfortable fit during sports. IPX7 waterproof rating protects against sweat and rain.
Audio Quality

Image: An exploded view diagram illustrating the 14.2mm three-layer diaphragm drivers responsible for high-quality stereo sound.
Call Clarity

Image: The Aptkdoe HD65 earbud highlighting the ENC Noise Cancelling microphone, designed to eliminate background noise for clear communication.
Connectivity

Image: The Aptkdoe HD65 earbud showcasing Bluetooth 5.4 technology, emphasizing its benefits such as a more stable connection, lower power consumption, lower latency, and longer transmission range.
Durability

Image: The Aptkdoe HD65 earbud shown with water splashes, highlighting its IPX7 waterproof and sweat-resistant design, suitable for sports and outdoor activities.
Setup
Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The dual LED display on the case will show the charging progress and battery levels for both the case and individual earbuds.

Image: The Aptkdoe HD65 charging case with its dual LED display, showing the battery capacity of the case and the charging status of the left and right earbuds.

Image: A close-up view of the Type-C charging port on the Aptkdoe HD65 charging case, indicating where to connect the charging cable.
A full charge provides approximately 15 hours of listening time for the earbuds, and the charging case can provide an additional 5-6 full charges, totaling up to 75 hours of playtime.

Image: The Aptkdoe HD65 charging case illustrating the impressive battery life: 15 hours on a single earbud charge and up to 75 hours total with the charging case.
Pairing with Your Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "HD65" from the list of devices to connect.
- Once connected, the earbuds will automatically pair with this device in the future when removed from the case.

Image: The Aptkdoe HD65 earbuds and charging case alongside a smartphone, demonstrating the fast and steady pairing process and compatibility with various devices like tablets, iOS, and Android phones.
Wearing the Earbuds
For optimal sound quality and a secure fit, follow these steps:
- Choose the earplugs (S, M, L) that best fit your ear canal.
- Insert the earbud into your ear canal.
- Rotate the earbud backward until the earhook sits comfortably and securely over your ear.
- Adjust the earbud to a comfortable and secure angle.

Image: An illustration demonstrating the three steps to properly wear the Aptkdoe HD65 earbuds with their ear hooks, ensuring a comfortable and secure fit, especially during activities like cycling.
Operating Instructions
Button Controls
The Aptkdoe HD65 earbuds feature physical buttons for easy control:
| Function | Action |
|---|---|
| Volume Up | Long tap Right earbud (2s) |
| Volume Down | Long tap Left earbud (2s) |
| Next Track | Double tap Right earbud |
| Previous Track | Double tap Left earbud |
| Play/Pause | One tap Left or Right earbud |
| Answer Call | One tap Left or Right earbud |
| Hang Up Call | One tap Left or Right earbud |
| Voice Assistant | Quick Triple tap Left or Right earbud |

Image: A detailed diagram showing the button layout and corresponding functions on the Aptkdoe HD65 earbud, including controls for volume, track navigation, answering/hanging up calls, and activating the voice assistant.
Maintenance
Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear tips and clean them with mild soap and water, then dry thoroughly before reattaching.
- Avoid using harsh chemicals or abrasive materials.
Storage
- When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Store in a cool, dry place away from extreme temperatures and direct sunlight.
Water Resistance
The Aptkdoe HD65 earbuds are IPX7 waterproof, meaning they can withstand immersion in water up to 1 meter for 30 minutes. They are resistant to sweat and rain, making them suitable for workouts and outdoor activities. However, they are not designed for swimming or prolonged submersion.
Troubleshooting
| Issue | Possible Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget "HD65" from your device's Bluetooth list and re-pair. |
| No sound from one earbud | Place both earbuds back in the case, close it, then reopen. Check device's audio balance settings. |
| Charging case not charging | Ensure the USB-C cable is properly connected to both the case and power source. Try a different cable or power adapter. |
| Poor sound quality | Ensure earbuds are clean and ear tips provide a good seal. Move closer to your device to avoid interference. |
| Earbuds falling out | Try different sized ear tips. Adjust the earhooks for a more secure fit as described in the "Wearing the Earbuds" section. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | HD65 |
| Bluetooth Version | 5.4 |
| Connectivity Technology | Wireless (Bluetooth) |
| Audio Driver Size | 14.2 mm |
| Noise Control | Passive Noise Cancellation (ENC for calls) |
| Water Resistance | IPX7 Waterproof |
| Earbud Battery Life | Up to 15 hours (single charge) |
| Total Playtime | Up to 75 hours (with charging case) |
| Charging Port | USB-C |
| Control Type | Push Button (Media Control) |
| Earpiece Shape | Over-Ear Hook |
| Compatible Devices | Cellphones, Laptops, Tablets |
| Item Weight | 5.6 ounces |
Warranty and Support
Warranty Information
The Aptkdoe HD65 Sport Headphones come with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims.
Customer Support
For any questions, technical assistance, or warranty claims, please contact Aptkdoe customer service. We offer a 24-hour customer service response to ensure your satisfaction.
You can find contact information on the official Aptkdoe website or through your purchase platform.



