Introduction
This manual provides essential instructions for the safe and efficient use of your JAM HX-EP900BK Ultra Truly Wireless Bluetooth Earbuds. Please read this guide thoroughly before operating the device and retain it for future reference.

Image: The JAM HX-EP900BK Ultra Truly Wireless Bluetooth Earbuds, showing both earbuds and their compact charging case.
What's Included
- JAM HX-EP900BK Ultra Truly Wireless Earbuds (Left and Right)
- Portable Charging Case
- USB Charging Cable
- Multiple Sizes of Ear Tips (for optimal fit)
- User Guide (this document)
Product Overview
The JAM HX-EP900BK Ultra Earbuds offer a truly wireless audio experience. Each earbud is designed for comfort and features a control button for various functions. The included charging case not only protects your earbuds but also recharges them on the go and can serve as a backup power bank for other devices.

Image: Close-up view of the two JAM HX-EP900BK Ultra earbuds, highlighting their compact, wireless design.

Image: The JAM HX-EP900BK charging case, featuring a textured finish and the JAM logo.
Setup
1. Charging the Case and Earbuds
Before first use, fully charge both the charging case and the earbuds.
- Connect the provided USB charging cable to the charging case and a power source (e.g., USB wall adapter, computer USB port).
- The LED indicator on the case will show charging status.
- Place the earbuds into their respective slots in the charging case. Ensure they are seated correctly for charging to begin.
- While charging, the LED indicator on the earbuds will be solid red.
- A full charge provides up to 3 hours of playtime for the earbuds, and the case can provide up to 10 full earbud charges.

Image: A woman using the JAM HX-EP900BK charging case to charge her mobile device via its USB port.
2. Pairing with a Bluetooth Device
The earbuds will automatically enter pairing mode when removed from the charging case.
- Remove both earbuds from the charging case. They will automatically power on and attempt to pair with each other.
- On your Bluetooth-enabled device (smartphone, tablet, etc.), navigate to the Bluetooth settings.
- Ensure Bluetooth is enabled.
- Look for "JAM Ultra" or "HX-EP900BK" in the list of available devices and select it to connect.
- Once successfully paired, you will hear an audible confirmation, and the earbud indicator lights will change.
- If pairing fails, place the earbuds back in the case, close the lid, wait a few seconds, and then repeat the steps.
Operating Instructions
Power On/Off
- Power On: Remove earbuds from the charging case. They will power on automatically.
- Power Off: Place earbuds back into the charging case. They will power off automatically and begin charging.
Music Playback
- Play/Pause: Press the button on either earbud once.
- Note: The product description indicates that only pause functionality is available via a single tap. Advanced controls like next/previous track or volume adjustment are not supported directly from the earbuds.
Call Management
- Answer/End Call: Press the button on either earbud once during an incoming call.
- Decline Call: Press and hold the button on either earbud for approximately 2 seconds during an incoming call.
- Note: During calls, only one earbud may function for audio output.

Image: A man wearing the JAM HX-EP900BK Ultra Truly Wireless Earbuds, demonstrating their discreet fit.

Image: A woman wearing the JAM HX-EP900BK Ultra Truly Wireless Earbuds, illustrating unrestricted movement.
Maintenance
Cleaning
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure charging contacts on both earbuds and case are clean and free of debris.
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 JAM HX-EP900BK Ultra Earbuds are not water resistant. Avoid exposure to water, rain, sweat, or other liquids to prevent damage.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing with device |
|
| One earbud not charging |
|
| No sound or poor sound quality |
|
| Earbuds frequently disconnect |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | LIVE TRUE - BLACK |
| Model Number | HX-EP900BK |
| Connectivity Technology | Bluetooth 4.1 |
| Wireless Communication Technology | Bluetooth |
| Included Components | Earbuds Pair, Power Case, User Guide, USB Charging Cable, Ear Tips |
| Material | Silicone |
| Item Weight | 10 Grams |
| Water Resistance Level | Not Water Resistant |
| Control Method | Touch Control (Play/Pause, Answer/End/Decline Call) |
| Battery Cell Composition | Lithium Ion |
| Earbud Playtime | Up to 3 hours per charge |
| Case Recharges | Up to 10 full earbud charges |
| Product Dimensions | 8.51 x 4.34 x 15.75 cm (case) |

Image: A visual comparison showing the compact size of the JAM HX-EP900BK charging case next to an iPhone 8.
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or visit the official Marley (JAM Audio) website. You may also contact customer service through the retailer where the product was purchased.
For further assistance, please visit: Marley Store on Amazon





