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Defender FreeMotion B525

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Relatively inexpensive closed-type over-ear wireless headphones with a built-in microphone, card reader, mp3 player and FM receiver. They are one of the most affordable bluetooth models of this form factor in the east european market. They feature an elegant understated design that goes well with a variety of clothing styles. The plastic headband is adjustable to precisely fit the anatomy of the wearer's head and generates a moderate clamping force that is just enough for a secure fit. Soft, wrap-around type ear cushions, trimmed with delicate artificial leather, provide good passive noise isolation and are comfortable for long listening sessions. Defender FreeMotion B525 headphones are paired with a source device using bluetooth 4.2 wireless interface, which provides reliable audio signal...transmission at a distance of up to 10 m. Dynamic drivers with a diameter of 40 mm can reproduce a frequency range from 20 to 20,000 Hz, providing loud, slightly bass sound. You can play audio files from microSD memory cards and listen to FM broadcasts. Volume and track playback are controlled using a group of buttons on the left bowl. An integrated lithium-polymer battery provides up to 8 hours of active battery life, and when it is discharged, listening can be continued using a cable connection.
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Defender FreeMotion B525
Defender FreeMotion B525
Colour
Connection and design
Designoverhead, closed
full size Over-Ear
foldable
Connection typecombined
Connectionmini-Jack (3.5 mm)
Bluetooth v 5.3
Cable supplysingle-sided
Range10 m
Detachable cable
Specs
Impedance32 Ohm
Frequency range20 – 20000 Hz
Sensitivity94 dB
Speaker size40 mm
Emitter typedynamic
Microphone specs
Microphonebuilt into the case
Frequency range20 – 16000 Hz
Sensitivity-32 dB
Features
Volume control
Card reader
FM receiver
Power supply
Power sourcebattery
Headphone battery capacity300 mAh
Charging time2 h
Operating time (music)8 h
Charging portmicroUSB
General
Weight190 g
Official Websiteuk.defender-global.com
Added to E-Catalogfebruary 2019
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Built-in mp3 player (microSD) and FM radio.
Early batches may differ in Bluetooth versions (4.2 or 5.0), check with the seller for the specific model.

Relatively inexpensive closed-type over-ear wireless headphones with a built-in microphone, card reader, mp3 player and FM receiver. They are one of the most affordable bluetooth models of this form factor in the east european market. They feature an elegant understated design that goes well with a variety of clothing styles. The plastic headband is adjustable to precisely fit the anatomy of the wearer's head and generates a moderate clamping force that is just enough for a secure fit.

Soft, wrap-around type ear cushions, trimmed with delicate artificial leather, provide good passive noise isolation and are comfortable for long listening sessions. Defender FreeMotion B525 headphones are paired with a source device using bluetooth 4.2 wireless interface, which provides reliable audio signal transmission at a distance of up to 10 m. Dynamic drivers with a diameter of 40 mm can reproduce a frequency range from 20 to 20,000 Hz, providing loud, slightly bass sound. You can play audio files from microSD memory cards and listen to FM broadcasts. Volume and track playback are controlled using a group of buttons on the left bowl. An integrated lithium-polymer battery provides up to 8 hours of active battery life, and when it is discharged, listening can be continued using a cable connection.

Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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