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Defender FreeMotion B640 (63641)

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DEFENDER ON-EAR BLUETOOTH FREEMOTION HEADPHONES B640 BEIGE 63642

BuyToGive.co.uk
Delivery: in United Kingdom
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Defender FreeMotion B640
Colour
Connection and design
Designin-ear
Connection typewireless
ConnectionBluetooth v5.0
Range10 m
Cable typeround
Specs
Impedance16 Ohm
Frequency range20 – 20000 Hz
Sensitivity92 dB
Speaker size9 mm
Emitter typedynamic
Number of emitters2
Microphone specs
Microphoneon cable
Frequency range20 – 16000 Hz
Sensitivity-42 dB
Features
Volume control
Power supply
Power sourcebattery
Operating time (music)5 h
Charging portmicroUSB
Added to E-CatalogDecember 2019
P/N
63641

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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a model with serious flaws
28 January 2020 
Terrible product.
No
The sound keeps coming out of your ears.
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