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Koss BT540i

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Koss BT540i
Colour
Connection and design
Designoverhead, closed
full size Over-Ear
foldable
swiveling earcups
Connection typecombined
Connectionmini-Jack (3.5 mm)
Bluetooth
Plugstraight
Cable supplysingle-sided
Cable length1.4 m
Range10 m
Cable typeround
Detachable cable
Specs
Impedance38 Ohm
Frequency range10 – 25000 Hz
Sensitivity100 dB
Speaker size40 mm
Emitter typedynamic
Microphone specs
Microphonebuilt into the case
Features
Volume control
NFC
Power supply
Power sourcebattery
Operating time (music)8 h
General
Weight231 g
In boxcase
extension lead
Added to E-Catalogjanuary 2015
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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