Introduction
Thank you for choosing the Energy Sistem Sport 1+ Dark Bluetooth Earphones. These earphones are designed to provide a secure and comfortable fit during physical activity, delivering high-quality audio with the convenience of wireless connectivity. This manual provides detailed instructions on how to set up, operate, and maintain your earphones to ensure optimal performance and longevity.
Package Contents
Please check the package contents to ensure all items are present:
- Energy Sistem Sport 1+ Dark Bluetooth Earphones
- USB Type-C Charging Cable
- Interchangeable Ear Tips (various sizes)
- Quick Guide (this manual)

Image: Retail packaging of the Energy Sistem Sport 1+ Dark Bluetooth Earphones, showing the earphones and included accessories.
Product Overview
Familiarize yourself with the different parts of your earphones:

Image: Front view of the Energy Sistem Sport 1+ Dark Bluetooth Earphones, highlighting the ear hooks and control panel on the right earbud.

Image: Side view of the earphones, showing the ergonomic design and the cable connecting the two earbuds.

Image: Close-up of a single earbud, showing the ear tip and the secure-fit hook.
Controls and Indicators:
- Multi-function Button: Power On/Off, Play/Pause, Answer/End Call.
- Volume Up/Next Track Button: Increase volume, skip to next song.
- Volume Down/Previous Track Button: Decrease volume, go to previous song.
- LED Indicator: Shows power status, pairing mode, and charging status.
- USB Type-C Port: For charging the earphones.
- Microphone: For hands-free calls and voice assistant.
Setup
1. Charging the Earphones:
Before first use, fully charge your earphones.
- Locate the USB Type-C charging port on the right earbud.
- Connect the provided USB Type-C cable to the earphone's charging port.
- Connect the other end of the USB cable to a USB power source (e.g., computer USB port, wall adapter).
- The LED indicator will show red during charging and turn off when fully charged.
A full charge typically takes approximately 1.5 to 2 hours.
2. Pairing with a Bluetooth Device:
- Ensure the earphones are turned off.
- Press and hold the Multi-function Button for approximately 5-7 seconds until the LED indicator flashes blue and red alternately. This indicates pairing mode.
- On your Bluetooth device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Energy Sistem Sport 1+ Dark" from the list of found devices.
- Once successfully paired, the LED indicator will flash blue slowly, and you may hear a confirmation tone.
The earphones will automatically attempt to reconnect to the last paired device when powered on.
3. Wearing the Earphones:
The Secure-Fit system ensures stability during exercise.
- Choose the ear tips that provide the best seal and comfort for your ears.
- Place the earbud into your ear canal.
- Adjust the ear hook over the top of your ear to secure the earphone in place.

Image: Illustration of the Secure-Fit design, showing how the ear hook provides stability.

Image: A person wearing the Energy Sistem Sport 1+ Dark Earphones, demonstrating the secure fit during physical activity.
Operating Instructions
Power On/Off:
- Power On: Press and hold the Multi-function Button for 3 seconds. The LED indicator will flash blue.
- Power Off: Press and hold the Multi-function Button for 3 seconds. The LED indicator will flash red and then turn off.
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 Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
Phone Calls:
- Answer/End Call: Press the Multi-function Button once.
- Reject Call: Press and hold the Multi-function Button for 2 seconds.
- Redial Last Number: Double-press the Multi-function Button.
Voice Assistant:
- Activate Voice Assistant: Triple-press the Multi-function Button. (e.g., Siri, Google Assistant)
Maintenance
Proper maintenance ensures the longevity of your earphones.
- Cleaning: Wipe the earphones with a soft, dry cloth. For ear tips, remove them and clean with mild soap and water, then dry thoroughly before reattaching. Do not use harsh chemicals or abrasive materials.
- Sweat Resistance: These earphones are sweat-resistant. After intense workouts, it is recommended to wipe them dry to prevent moisture buildup.
- Storage: When not in use, store the earphones in a cool, dry place, away from direct sunlight and extreme temperatures.
- Charging: Only use the provided USB Type-C cable or a certified equivalent for charging.
Troubleshooting
If you encounter issues with your earphones, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earphones do not power on. | Low battery. | Charge the earphones fully. |
| Cannot pair with device. | Earphones not in pairing mode; Bluetooth off on device; device too far. | Ensure earphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Move earphones closer to the device (within 10 meters). |
| No sound or low volume. | Volume too low; not connected; incorrect audio output. | Increase volume on earphones and device. Reconnect earphones. Check audio output settings on your device. |
| Intermittent connection. | Interference; device too far; obstacles. | Move away from sources of interference (Wi-Fi routers, other Bluetooth devices). Keep device within range. Avoid physical obstructions between earphones and device. |
Specifications
Key technical specifications for the Energy Sistem Sport 1+ Dark Bluetooth Earphones:
- Bluetooth Version: 5.1
- Frequency Response: 20 Hz ~ 20 kHz
- Battery Type: Lithium-polymer
- Weight: 80 Grams
- Water Resistance Level: Sweat-resistant
- Control Type: Voice control
- Connectivity Technology: Wireless (Bluetooth)
- Model Name: Earphones Bluetooth Sport 1+ Dark
- Model Number: 451777
- Included Components: Earphones, USB Type-C Cable, Interchangeable Ear Tips
Warranty and Support
Energy Sistem products are designed and manufactured to the highest quality standards. For information regarding warranty, technical support, or service, please refer to the official Energy Sistem website or contact their customer support directly.
You can find more information and support resources at: www.energysistem.com