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Parts list
- Headphones
- Charging contacts
- Power switch
- Bass/Normal switch
- Status indicator LED
- Audio port (3.5mm)
- SCAN button
- VOL+ button
- VOL- button
- Transmitter
- Charging pins
- Charging indicator LED
- Power indicator LED
- Power supply port
- Audio port (3.5mm)
- SCAN button
- Power switch
- Power adapter
- 3.5 mm audio cable
- RCA cable
Connecting the transmitter
- Plug the provided audio cable
![]()
into the audio source. - Plug the other side of the audio cable into the audio port
![]()
on the back of the transmitter. - Plug the provided DC-5V power cable
![]()
into the power supply port ![]()
of the transmitter. - Plug the other side of the DC-5V power cable into a power socket.
into the audio source.
on the back of the transmitter.
into the power supply port 
of the transmitter.Switching on the transmitter
- Switch on the transmitter by sliding the power switch
![]()
to the ON position.
The power indicator LED![]()
on the transmitter lights up red.
to the ON position.
on the transmitter lights up red.Charging the headphones
- Switch off the headphones by sliding the power switch
![]()
to the OFF position. - Place the headphones with the charging contacts
![]()
onto the charging pins ![]()
of the transmitter.
to the OFF position.
onto the charging pins 
of the transmitter.The status indicator LED 
on the headphones starts to blink blue to indicate the headphones are charging.
The status indicator LED 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
![]()
to the ON position.
The status indicator LED![]()
on the headphones lights up red.
Pairing the headphones to the transmitter
The headphones will automatically pair with the transmitter.
The power indicator LED 
on the transmitter and the status indicator LED 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
![]()
and the VOL- button ![]()
on the headphones to increase or decrease the volume of the headphones.
and the VOL- button 
on the headphones to increase or decrease the volume of the headphones.Enhancing the sound
- Slide the Bass/Normal switch
![]()
to Bass for a more enhanced sound experience under RF wireless mode.
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 2x3.5mm audio cable 
.
With a wired connection, you can use the headphones without the transmitter. This way, you can also use the headphones on the go.
Specifications
| Headphone Type | Over-Ear headphones |
| 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 4 hours |
| Frequency response | 20 Hz - 20 KHz |
| Maximum Transmission power | 10 dBm |
| Battery Capacity | 900 mAh built-in Li-ion battery or 2xAAA batteries. |
| Transmission Power Supply | 5 V-DC - 500 mA |
| Maximum Antenna gain | -3.9 dBi |
| S/N ratio | 75 dB |
For more information see the extended manual online: ned.is/hpfr310bk
Documents / Resources
References
Download manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Nedis Wireless Rf Headphones HPRF310BK Quick Start Guide
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