Introduction
Welcome to the Morpheus 360 Serenity Wireless Headphones user manual. This guide provides detailed instructions for setting up, operating, maintaining, and troubleshooting your HP5500G headphones. Designed for comfort and high-fidelity audio, these headphones offer wireless connectivity, intuitive controls, and versatile playback options.
Video: Morpheus 360 Serenity Wireless Headphones Overview. This video provides a visual introduction to the headphones' features and design.
What's in the Box
Ensure all items are present before proceeding with setup:
- Morpheus 360 Stereo Wireless Headphones (HP5500G)
- Detachable 3.5mm Audio Cable for Wired Mode
- USB Charging Cable
- User Manual and Warranty Information
Product Overview
The Morpheus 360 Serenity Wireless Headphones are designed for ease of use and portability. They feature a foldable design for compact storage and comfortable protein leather ear cushions for extended wear.

Image: Front view of the Morpheus 360 Serenity Wireless Headphones in Black with Gold Accents.
Controls and Ports
All media controls are conveniently located on the left earcup. These include buttons for power, play/pause, track forward/back, and volume up/down. The headphones also feature a built-in microphone for calls, a USB-C charging port, and a MicroSD card slot for direct music playback.

Image: Side view of the left earcup, highlighting the control buttons and ports.
Foldable Design
The headphones feature a foldable design, allowing them to be easily collapsed for storage and transport, making them ideal for travel.

Image: The headphones shown in their folded configuration for compact storage.
Setup
Charging the Headphones
Before first use, fully charge your headphones. A full charge provides approximately 8-10 hours of playback time.
- Connect the supplied USB charging cable to the USB-C port on the headphones.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light will illuminate during charging and turn off when fully charged. Charging typically takes 2-3 hours.
Bluetooth Pairing
To connect your headphones wirelessly to a device:
- Ensure the headphones are charged and powered off.
- Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Morpheus 360 HP5500G" from the list of devices.
- Once connected, the LED indicator will flash blue slowly.
Wired Mode Connection
If the battery is depleted or you prefer a wired connection, use the 3.5mm audio cable:
- Plug one end of the 3.5mm audio cable into the audio jack on the headphones.
- Plug the other end into the 3.5mm audio output of your device.
- The headphones will automatically switch to wired mode.
MicroSD Card Playback
For direct music playback without a connected device:
- Insert a MicroSD card (with MP3 audio files) into the MicroSD card slot on the headphones.
- The headphones will automatically detect the card and begin playing music.
- Use the media controls on the earcup to manage playback.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button until the LED indicator lights up.
- Power Off: Press and hold the Power button until the LED indicator turns off.
Media Controls
- Play/Pause: Press the Play/Pause button once.
- Volume Up: Press the Volume Up button.
- Volume Down: Press the Volume Down button.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
Call Management
When connected via Bluetooth to a smartphone:
- Answer Call: Press the Play/Pause button once.
- End Call: Press the Play/Pause button once during a call.
- Reject Call: Press and hold the Play/Pause button.
Voice Assistant
The headphones support voice control functionality. Press the dedicated Voice Assistant button (if available, or typically a long press on Play/Pause) to activate your device's voice assistant (e.g., Siri, Google Assistant).
Maintenance
Proper care ensures the longevity of your headphones:
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Utilize the foldable design for compact and safe storage.
- Battery Care: To preserve battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not in use for extended periods.
- Water Resistance: The headphones are water resistant. Avoid submerging them in water or exposing them to heavy rain.
Troubleshooting
If you encounter issues, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Headphones do not power on | Ensure the headphones are fully charged. Connect to a power source and allow sufficient charging time. |
| Cannot pair via Bluetooth | Ensure headphones are in pairing mode (flashing blue/red LED). Turn off and on Bluetooth on your device. Move closer to the device (within 10 meters). Forget the device in your Bluetooth settings and try pairing again. |
| No sound | Check volume levels on both headphones and the connected device. Ensure the headphones are properly paired or the 3.5mm cable is securely connected. If using MicroSD, ensure the card is inserted correctly and contains compatible audio files. |
| Poor sound quality | Move closer to the connected device to avoid interference. Ensure the audio source quality is good. |
| Microphone not working | Ensure the headphones are connected via Bluetooth to your device. Check your device's audio input settings to confirm the headphone microphone is selected. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | HP5500G |
| Connectivity | Bluetooth 5.0, 3.5mm Audio Jack |
| Wireless Range | Up to 10 meters (33 feet) |
| Battery Life | 8-10 hours playback (approx.) |
| Charging Time | 2-3 hours (approx.) |
| Audio Driver Type | Dynamic Driver |
| Frequency Response | 22 KHz |
| Impedance | 32 Ohms |
| Noise Control | Sound Isolation |
| Microphone | Built-in |
| Special Features | Foldable, MicroSD Card Slot, Water Resistant |
| Material | Faux Leather (ear cushions) |
| Dimensions | 8 x 3.25 x 7.5 inches |
| Weight | 8.1 ounces |
Warranty and Support
Your Morpheus 360 Serenity Wireless Headphones come with a manufacturer's warranty. Please refer to the included warranty information card in your product packaging for specific terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact Creative Marketing, Inc., the manufacturer of Morpheus 360 products. Contact details can typically be found on the product packaging or the official Morpheus 360 website.
Safety Information: Small parts. Not for unsupervised children under 5 years old.




