SubZero SZ-NH500BT Wireless Bluetooth Noise Cancelling Headphones User Manual

WIRELESS BLUETOOTH
NOISE CANCELLING
HEADPHONES
SZ-NH500BT
USER MANUAL

WARNING!

Do not open the cover. No user-serviceable parts inside. Refer servicing to qualified service personnel.
Do not place the product in a location near a heat source such as a radiator, or in an area subject to direct sunlight, excessive dust, mechanical vibration or shock The product must not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the product No naked flame sources, such as lighted candles,  should be placed on the product Allow adequate air circulation and avoid obstructing vents (if present) to prevent internal heat build-up. The ventilation must not be impeded by covering the appliance with items such as newspapers, tablecloths, curtains etc.
Do not attempt to remove the rechargeable lithium-ion battery from this product.
Contact a qualified professional for removal.

WELCOME

Thank you for purchasing the SubZero NH500BT Wireless Bluetooth Noise Cancelling Headphones. To get the most out of your new product, please read this manual carefully.

FEATURES

• Comfortable Over-Ear Pad Design
• Active Noise Cancellation
• Bluetooth Enabled
• Built-In Controls

WHAT’S IN THE BOX

• SubZero NH500BT Wireless Bluetooth Noise Cancelling Headphones
• Carry Case
• 3.5mm to 3.5 Jack Cable
• USB C Charging Cable
• User Manual
• 3.5mm to 6.3mm Headphone Adaptor

OVERVIEW

1. ANC ON/OFF
   Turns the Active Noise Cancellation feature on or off.

2. VOLUME INCREASE / NEXT SONG
   • To increase the volume, tap the volume up key. There will be a beep tone when the maximum volume is reached.
   • To select the next song during playback, press and hold the volume up key.

3. MULTIFUNCTION BUTTON
   • BLUETOOTH ON/OFF: When Bluetooth is off, press and hold the button until you hear an ascending tone. When Bluetooth is on, firstly ensure no audio is being emitted through the headphones, then press and hold the button until you hear a descending tone.
   • ANSWER/END CALL: When a phone call comes in, short press the button to answer it, or long-press for 2 seconds to reject the call. To end a call, short press the button again.
   • PLAY/PAUSE: To play a song, select the track in your paired music player and press the Play/Pause key on the headset. To pause or resume playing a song, press the  Play/Pause key again.

4. VOLUME DECREASE / PREVIOUS SONG
   • To decrease the volume, tap the volume down key.
   • To select the previous song, press and hold the volume down key.

5. 3.5mm JACK INPUT
   Connect the supplied 3.5mm Jack cable to use the headphones in a wired configuration with suitable audio devices.

6. MIC
   Microphone for voice calls and Active Noise Cancelation.

7. LED
   • RED = Charging
   • BLUE = Bluetooth is Connected
   • GREEN = Active Noise Cancellation is ON
   • ALTERNATING BLUE/RED = Bluetooth in pairing mode
   • LED BLUE/GREEN = Bluetooth connected & Active Noise Cancellation is on

8. USB C CONNECTION
   Connect the supplied USB C power cable here. Please ensure a suitable power source is used, such as a computer/laptop or USB mains adapter.

ACTIVE NOISE CANCELLATION

Turn on noise cancellation mode:
Slide the ANC switch to the alternate position. The LED will light green, or blue-green If Bluetooth is currently connected. The ANC function is available in both wired and wireless modes.

Turn off noise cancellation mode:
Slide the ANC switch to the alternate position. The LED will turn off or revert to blue if Bluetooth is still connected.

Note: The ANC function must be switched off manually. Remember to switch off ANC when the headphones are not in use to avoid draining the battery.

BLUETOOTH

Bluetooth On:
To turn on Bluetooth, press and hold the multifunction button (3) for 4 seconds. When the headset enters Bluetooth pairing mode the LED will flash alternately red & blue.
Bluetooth Off:
To switch off, press and hold the multifunction button for 4 seconds.

PAIRING:

1. Ensure that your Bluetooth device and headphones are both switched on.
2. Turn on the headphones Bluetooth function (see above). The headphones are now in pairing mode, and the LED will flash alternately red & blue.
3. Activate the Bluetooth feature on your Bluetooth device and search for Bluetooth devices.
4. Select SZ-NH500BT from the list of found devices on your Bluetooth device.
5. When successfully paired, the LED stops flashing & lights blue-green if ANC is also switched on, or blue if ANC is switched off.

Note: When the headset enters Bluetooth mode, it will automatically search for, and pair to, previously paired devices. If this occurs, the LED will illuminate blue solidly. To un- pair, follow the instructions on your Bluetooth device.

SPECIFICATIONS

Driver Unit ……………. 40mm
Impedance …………… 32Ω
Headset Sensitivity ……… 97dB±3dB
Microphone Sensitivity ….. -42dB
Bluetooth Edition ………. Bluetooth V5.0 Radio Frequency
Coverage …………….. 2.402GHz~2.480GHz
Transmit Range …………Approx.10m(barrier-free)
Frequency Response ……. 20Hz-20KHz
Active Noise Reduction ….. up to 15-20dB @ 100-1000Hz
Pairing Products ……….. Bluetooth computer with HFP, A2DP, AVRCP Bluetooth protocol, USB Bluetooth adapter, Bluetooth cell phones, etc.
Battery ………………. Rechargeable lithium-ion battery; 3.7V, 300mA
Charge ………………. Computer USB interface, output DC 5V/300Ma charger
Charging Time ………… 3 hours
Operating Time ……….. up to 8 hours
Standby Time …………. up to 200 hours

If you have any more questions about this product, please do not hesitate to contact the Gear4music Customer Service Team on +44 (0) 330 365 4444 or info@gear4music.com

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