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Defender FreeMotion B515 (63515)

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Simple and affordable closed-type wireless bluetooth headphones with built-in microphone, card reader and FM tuner. They feature a discreet and elegant design that goes well with a variety of clothing styles, low weight and a practical folding design that greatly simplifies transportation and storage. The adjustable plastic headband provides a simple and quick fit to the anatomical features of the user's head and creates a moderate clamping force, which is enough for a secure fit. Soft ear cushions trimmed with thin artificial leather provide good passive noise isolation and are comfortable for prolonged use. To pair the Defender FreeMotion B515 headphones with a source device (smartphone, tablet, laptop), a bluetooth 4.2 wireless interface is used, which guarantees good compatibility and...stable connections at a distance of up to 10 m. Convenient buttons are provided on the right earcup to control track playback and quickly adjust the volume. The card reader can turn headphones into an MP3 player without connecting to a smartphone or laptop. Dynamic radiators reproduce the frequency range from 20 Hz to 20 kHz (according to the manufacturer's declaration), providing acceptable sound quality. Built-in battery provides up to 6 hours of active work. With analogue devices, you can use the supplied cable with mini-Jack 3.5mm connectors.
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Defender FreeMotion B515
Type:on-ear
Connection:3.5 mm, Bluetooth v4.2
Frequencies:20 – 20000 Hz
Sensitivity:98 dB
Battery:up to 6 h

Simple and affordable closed-type wireless bluetooth headphones with built-in microphone, card reader and FM tuner. They feature a discreet and elegant design that goes well with a variety of clothing styles, low weight and a practical folding design that greatly simplifies transportation and storage. The adjustable plastic headband provides a simple and quick fit to the anatomical features of the user's head and creates a moderate clamping force, which is enough for a secure fit.

Soft ear cushions trimmed with thin artificial leather provide good passive noise isolation and are comfortable for prolonged use. To pair the Defender FreeMotion B515 headphones with a source device (smartphone, tablet, laptop), a bluetooth 4.2 wireless interface is used, which guarantees good compatibility and stable connections at a distance of up to 10 m. Convenient buttons are provided on the right earcup to control track playback and quickly adjust the volume.

The card reader can turn headphones into an MP3 player without connecting to a smartphone or laptop. Dynamic radiators reproduce the frequency range from 20 Hz to 20 kHz (according to the manufacturer's declaration), providing acceptable sound quality. Built-in battery provides up to 6 hours of active work. With analogue devices, you can use the supplied cable with mini-Jack 3.5mm connectors.

All specifications
Specifications FreeMotion B515
Colour
Connection and design
Designoverhead, closed
foldable
Connection typecombined
Connectionmini-Jack (3.5 mm)
Bluetooth v4.2
Plugstraight
Cable supplysingle-sided
Range10 m
Cable typeround
Detachable cable
Specs
Frequency range20 – 20000 Hz
Sensitivity98 dB
Speaker size40 mm
Emitter typedynamic
Microphone specs
Microphonebuilt into the case
Frequency range20 – 16000 Hz
Sensitivity-42 dB
Features
Volume control
Card reader
FM receiver
Power supply
Power sourcebattery
Operating time (music)6 h
Charging portmicroUSB
General
In boxadditional cable
Added to E-CatalogDecember 2019
P/N
63515

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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i do not recommend
27 January 2020 
good microphone (there were no complaints that I was hard to hear), when there is an incoming call it says the caller's number in English, can connect to two devices at the same time.
the sound is interrupted, the battery does not last even for an hour and a half with the stated 6
use Defender FreeMotion B515 month or more i recommend it don't buy
BetterOfCourseSaveUpMoneyBuyAMoreExpensiveModelIBoughtThemForInterest
28 September 2020 
Sound, appearance, buttons on the earphone, accessories, price.
Doesn't pick up the radio.
Ludmila 1989use Defender FreeMotion B515 less than month
not recommended for purchase
13 August 2020 
the battery lasts no more than 2 hours at medium volume, made of some recycled material, when dropped from the height of a sofa the headband broke where it folded, system sounds (power on, power off, etc.) simply "kill" the speaker's mouth is full of hot potatoes, and the sound is very loud and not adjustable. Conclusion: complete crap, I do not recommend buying.
normal sound
well, they are very flimsy
Andreyuse Defender FreeMotion B515 few months
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