Nedis HPRF310BK Wireless RF Headphones User Manual

: June 5, 2024
: nedis

HPRF310BK Wireless RF Headphones

Nedis HPRF310BK Wireless RF Headphones

User Manual

Preface

Thank you for purchasing the Nedis HPRF310BK.

This document is the user manual and contains all the information for correct, efficient and safe use of the product.

This user manual is addressed to the end user. Read this information carefully before installing or using the product.

Always store this information with the product for use in the future.

Product description

Intended use

The Nedis HPRF310BK is a pair of wireless Over-Ear headphones.

It connects to the accompanied transmitter using radio frequencies.

The transmitter also functions as the charger for the headphones.

Any modification of the product may have consequences for safety, warranty and proper functioning.

Specifications

Headphone Type

|

Over-Ear headphones

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Article number

|

HPRF310BK

Frequency Range

|

2.402 – 2.483 GHz

Wireless Transmission effective distance

|

Up to 55 meters

Maximum Playback Time

|

Up to 22 hours

Maximum Standby Time

|

Up to 24 hours

Maximum Charging time

|

Up to 3.5 hours

Frequency Response

|

20 Hz – 20 KHz

Maximum Transmission power

|

10 dBm

Battery Capacity

|

800 mA

Transmission Power Supply

|

5 V-DC – 500 mA

Maximum Antenna gain

|

-3.9 dBi

S/N ratio

|

75 dB

Parts list

1. Headphones

2. Charging contacts

3. Power switch

4. Bass/Normal switch

5. Status indicator LED

6. Audio port (3.5mm)

7. SCAN button

8. VOL+ button

9. VOL- button

10. Transmitter

11. Charging pins

12. Charging indicator LED

12. Power indicator LED

13. Power supply port

14. Audio port (3.5mm)

15. SCAN button

16. Power switch

17. Power adapter

18. 3.5 mm audio cable

19 RCA cable

Safety instructions

WARNING

Only use the product as described in this manual.
Do not expose the product to water or moisture.

Installation

Check the contents of the package
Check that all parts from the parts list are present and that no damage is visible on the parts. If parts are missing or damaged, contact the Nedis B.V. service desk via the website: www.nedis.com.

Connecting the transmitter

1. Plug the provided audio cable p into the audio source.

2. Plug the other side of the audio cable into the audio port y on the back of the transmitter.

3. Plug the provided DC-5V power cable o into the power supply port t of the transmitter.

4. Plug the other side of the DC-5V power cable into a power socket.

Use

Switching on the transmitter

Switch on the transmitter by sliding the power switch i to the ON position.
The LED status indicator r on the transmitter lights up red.

Charging the headphones

1. Switch off the headphones by sliding the power switch 3 to the OFF position.

2. Place the headphones with the charging contacts 2 onto the charging pins w of the transmitter.

The status indicator LED 5 on the headphones starts to blink blue to indicate the headphones are charging.
The status indicator LED 5 on the headphones will stay lit when the headphones are fully charged.

Switching on the headphones

Switch on the headphones by sliding the power switch 3 to the ON position.
The status indicator LED 5 on the headphones lights up red.

Pairing the headphones to the transmitter

The headphones will automatically pair with the transmitter.
The power indicator LED r on the transmitter and the status indicator LED 5 on the headphones start to blink red to indicate the headphones are pairing.
When pairing is complete, both indicator LED’s will light up blue.

Controlling the volume

Press the VOL+ button 8 and the VOL- button 9 on the headphones to increase or decrease the volume of the headphones.

Enhancing the sound

Slide the Bass/Normal switch 4 to Bass for a more enhanced sound experience under RF wireless mode.
Enhanced sound is not available under wired connection.

Wired connection

When the batteries of the headphones are drained, you can still listen to your audio source by connecting the headphones directly to the audio source, using the 2×3.5mm audio cable o.
With a wired connection, you can use the headphones without the transmitter. This way, you can also use the headphones on the go.

Maintenance

Clean the product regularly with a soft, clean, dry cloth. Avoid abrasives that can damage the surface.
Do not use aggressive chemical cleaning agents such as ammonia, acid or acetone when cleaning the product.

Troubleshooting

Problem

|

Possible cause

|

Solution

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Headphones do not switch on.

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The batteries are drained.

|

Charge the headphones for at least 30 minutes and retry.

Transmitter does not turn on.

|

The DC-5V power cable is not properly plugged into the transmitter or the power socket.

|

Follow the instructions in chapter “Connecting the transmitter”.

No sound is coming from the headphones.

|

The headphones are not paired to the transmitter.

|

Follow the instructions in chapter “Pairing the headphones to the transmitter”.

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The transmitter is not connected to the audio source.

|

Follow the instructions in chapter “Connecting the transmitter”.

|

The headphones are too far out of reach from the transmitter.

|

Move the headphones closer to the transmitter.

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The audio source volume is too low/muted.

|

Raise the volume on the audio source.

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The headphones volume is too low/muted.

|

Raise the volume on the headphones with the VOL+ button 8.

Warranty

Any changes and/or modifications to the product will void the warranty. We accept no liability for damage caused by improper use of the product.

Disclaimer

Designs and specifications are subject to change without notice. All logos, brands and product names are trademarks or registered trademarks of their respective owners and are hereby recognized as such.

Disposal

|

This symbol indicates that this product should not be thrown away with other household waste throughout the EU. To prevent possible harm to the environment or human health by uncontrolled waste disposal, you are responsible for recycling it so that it can promote the sustainable reuse of raw materials. To return your used product, you can use the regular return and collection systems or contact the store where the product was purchased. They can recycle this product for the environment.

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Declaration of Conformity

We, Nedis B.V. declare as manufacturer that the product HPRF310BK from our brand Nedis®, produced in China, has been tested according to all relevant CE standards and regulations and that all tests have been passed successfully. This includes, but is not limited to the RED 2014/53/EU regulation.

The complete Declaration of Conformity (and the safety datasheet if applicable) can be found and downloaded via webshop.nedis.com/HPRF310BK#support

For additional information regarding the compliance, contact the customer service:

Web: www.nedis.com

E-mail: service@nedis.com

Phone: +31 (0)73-5991055 (during office hours)

Nedis B.V., de Tweeling 28

5215 MC ’s-Hertogenbosch, the Netherlands