Defender - Wireless stereo headset FreeMotion B571

Product number 63572

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Wireless stereo headset

FreeMotion B571

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Wireless Bluetooth headset

Compact foldable construction allows to take the headset with you easily

LED backlight of headphones

To turn off the backlight, double-click the M/EQ button

Built-in microphone

Built-in microphone ensures high sound clarity

MicroSD card slot

Micro-SD card slot allows to convert the headphones into MP3 player and listen to music without connection to smartphone or laptop

Controls on earcups

Allow to answer the phone call or to switch tracks without taking the phone out of your pocket

Audio cable included

When the headset battery is discharged you can connect it via the cable and continue listening to music

Adjustable headband

You can adjust the headband to the most convenient length

Compact foldable construction

Up to 18 hours of battery operation time*

* The operating time of the device is indicated without backlight and may vary depending on the listening mode, volume level and environmental conditions

10 m operation range

The headset allows to speak on phone or listen to internet-radio from your laptop while moving around the room freely

Removable microphone

Metal headband base

Specifications

Connection type
wireless Bluetooth
Type of headphones
Full-size on-ear
Type of earcups
closed
Battery capacity
400 mA·h
Type of mounting
headband
Bluetooth specification
V5.3 + EDR, A2DP, AVRCP, HFP, HSP
Operating tempreature range
-20—60 °
Operating frequency
2.402—2.48 GHz
Membrane diameter
40 mm
Sensitivity (headphones)
115 dB
Sensitivity (microphone)
-42 dB
Frequency response (headphones)
20—20000 Hz
Frequency response (microphone)
20—16000 Hz
Operation range
0—10 m
Continuous talk / listening period
18 hrs
Connectors
3.5 mm jack, Type-C
Material of headphones
plastic
Color
black
Power supply
Li-Polymer rechargeable battery

Logistics characteristics

Warranty period
6 months
Product size (without package)
0 x 0 x 0
Net weight
0
Individual package size
8.90 x 17.00 x 15.40 cm
Box individual volume
0.0023 m³
Individual package weight
0.31 kg
Box size
36.00 x 33.00 x 55.00 cm
Box volume
0.0629 m³
Box weight
8.7 kg
Quantity in box
24 pcs
ROHS / CE
Yes
ITF-14
14745090822479
EAN
4745090822472