Defender HN-B601

Type: wireless; Cable length/radius: 10 ;m; Design: overhead, open; Type emitters: dynamic; Nominal impedance: 32 ;Om; Frequency range: 20-20000 ;Hz; Sensitivity: 85 ;dB; Microphone: +; Adjusting the volume: +; The possibility of folding: +; Connectivity options: Bluetooth / version 2.1 +EDR / ; Battery type: battery; ...

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Table of characteristics

Colorblack
Typewireless
Cable length/radius10 m
Characteristics headphone 
Designoverhead, open
Type emittersdynamic
Nominal impedance32 Om
Frequency range20-20000 Hz
Sensitivity85 dB
Microphone+
Adjusting the volume+
The possibility of folding+
Connection 
Connectivity optionsBluetooth / version 2.1 +EDR /
Battery typebattery