Defender HN-B703

Type: wireless; Cable length/radius: 10 ;m; Weight: 130 ;y; Design: overhead, closed; Type emitters: dynamic; Speaker diameter: 40 ;mm; Nominal impedance: 32 ;Om; Frequency range: 10 – 20000 ;Hz; Sensitivity: 93 ;dB; Microphone: +; Adjusting the volume: +; Connectivity options: Bluetooth / version 3.0 + EDR / ; Battery type: battery / Li-Ion / ; ...

Photo

Table of characteristics

Colorred
Typewireless
Cable length/radius10 m
Weight130 y
Characteristics headphone 
Designoverhead, closed
Type emittersdynamic
Speaker diameter40 mm
Nominal impedance32 Om
Frequency range10 – 20000 Hz
Sensitivity93 dB
Microphone+
Adjusting the volume+
Connection 
Connectivity optionsBluetooth / version 3.0 + EDR /
Battery typebattery / Li-Ion /