1. Introduction
This manual provides essential information for the safe and efficient use of your Harman Kardon Luna Portable Bluetooth Speaker. Please read it thoroughly before operating the device.
What's in the Box:
- Harman Kardon Luna Speaker
- Type C USB Cable
- Quick Start Guide
- Safety Instruction and Warranty Card

Image: Harman Kardon Luna speaker and its retail packaging.
2. Product Overview
Familiarize yourself with the various components and controls of your Harman Kardon Luna speaker.
Speaker Layout:

Image: Top view of the Harman Kardon Luna speaker, highlighting the control buttons.
- Power Button: Press to turn the speaker on or off.
- Bluetooth Pairing Button: Press to enter Bluetooth pairing mode.
- Volume Down Button: Decreases audio volume.
- Play/Pause Button: Plays or pauses audio playback.
- Volume Up Button: Increases audio volume.
- Stereo Pairing Button: Press to initiate stereo pairing with another Luna speaker.

Image: Side view of the Harman Kardon Luna speaker, showing the USB-C charging port.
The USB-C port is located on the side for charging the device.
3. Setup
3.1 Charging the Speaker
Before first use, fully charge your Harman Kardon Luna speaker. Connect the supplied USB-C cable to the charging port on the speaker and to a compatible USB power adapter (not included).
- Charging Time: Approximately 2.5 hours.
- Battery Life: Up to 12 hours of playtime, depending on volume and audio content.
3.2 Powering On/Off
- To Power On: Press the Power button once. The indicator light will illuminate.
- To Power Off: Press and hold the Power button for a few seconds until the indicator light turns off.
3.3 Bluetooth Pairing
- Turn on your Harman Kardon Luna speaker.
- Press the Bluetooth pairing button on the speaker. The Bluetooth indicator light will flash, indicating it is in pairing mode.
- On your mobile device, go to Bluetooth settings and select "Harman Kardon Luna" from the list of available devices.
- Once connected, the Bluetooth indicator light will become solid.
3.4 Stereo Pairing (Two Luna Speakers)
For enhanced stereo sound, you can wirelessly pair two Harman Kardon Luna speakers together.
- Ensure both Luna speakers are powered on and not connected to any other Bluetooth device.
- On one speaker, press the Stereo Pairing button. It will enter pairing mode.
- On the second speaker, press the Stereo Pairing button.
- The speakers will automatically connect to each other. Once connected, the indicator lights will confirm the stereo link.
- Connect your mobile device to one of the paired Luna speakers via Bluetooth.
4. Operating the Speaker
4.1 Basic Controls
- Volume Up/Down: Press the '+' or '-' buttons to adjust the volume.
- Play/Pause: Press the Play/Pause button once to play or pause audio.
- Next Track: Double-press the Play/Pause button to skip to the next track.
- Previous Track: Triple-press the Play/Pause button to go to the previous track.
4.2 Phone Calls
When connected to a smartphone, the Luna speaker can be used for hands-free calls.
- 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 for 2 seconds.
5. Maintenance
5.1 Cleaning
To clean the speaker, use a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the charging port cover is securely closed before cleaning or exposing to water.
5.2 Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the battery to approximately 50% every three months to maintain battery health.
5.3 Water and Dust Resistance (IP67)
The Harman Kardon Luna is IP67 waterproof and dustproof. This means it can be immersed in water up to 1 meter (3.3 feet) for up to 30 minutes and is protected against dust ingress. Always ensure the charging port cover is fully sealed before exposing the speaker to water or dust.
6. Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the speaker to a power source using the USB-C cable. |
| Cannot pair via Bluetooth. | Ensure the speaker is in pairing mode (flashing Bluetooth indicator). Turn off and on Bluetooth on your device. Move the speaker closer to your device. Clear previous Bluetooth connections on your device. |
| No sound or low volume. | Increase the volume on both the speaker and your connected device. Ensure the speaker is properly paired. |
| Stereo pairing fails. | Ensure both Luna speakers are not connected to any other Bluetooth device before initiating stereo pairing. Try resetting both speakers. |
7. Specifications

Image: Dimensions of the Harman Kardon Luna speaker.
- Model Name: Harman Kardon Luna
- Model Number: HKLUNABLKAM
- Dimensions (D x W x H): 3.2" x 8.3" x 3.1" (7.8 cm x 21 cm x 8 cm)
- Item Weight: 1.6 Pounds (0.73 kg)
- Speaker Type: Portable Bluetooth Speaker
- Connectivity Technology: Bluetooth
- Wireless Communication Technology: Bluetooth
- Bluetooth Range: 10 meters
- Water Resistance Level: IP67 (Waterproof and Dustproof)
- Power Source: Battery Powered
- Battery Type: 1 Lithium Ion battery
- Charging Time: 2.5 Hours
- Speaker Maximum Output Power: 40 Watts
- Audio Output Mode: Stereo
- Signal-to-Noise Ratio: 80 dB
- Woofer Diameter: 1.89 Inches (48 mm)
- Tweeter Diameter: 0.20 Inches (20 mm)
- Control Method: Push Button
- UPC: 028292290503
8. Warranty and Support
8.1 Warranty Information
The Harman Kardon Luna speaker comes with a limited warranty. Please refer to the "Safety Instruction and Warranty Card" included in your product packaging for detailed terms and conditions, including warranty duration and coverage.
8.2 Customer Support
For technical assistance, troubleshooting, or service inquiries, please visit the official Harman Kardon support website or contact their customer service department. Contact details can typically be found on the Harman Kardon website or in your product documentation.
Online Support: www.harmankardon.com/support





