Sony MDR-RF865RK

Type: wireless; Cable length/radius: 100 ;m; Weight: 320 ;y; Design: overhead, closed; Type emitters: dynamic; Speaker diameter: 40 ;mm; Frequency range: 10-22000 ;Hz; Adjusting the volume: +; Connectivity options: Plug 3.5 mm (mini-Jack) ; Battery type: battery / Li-Ion / ; ...

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Table of characteristics

Colorblack
Typewireless
Cable length/radius100 m
Weight320 y
Characteristics headphone 
Designoverhead, closed
Type emittersdynamic
Speaker diameter40 mm
Frequency range10-22000 Hz
Adjusting the volume+
Connection 
Connectivity optionsPlug 3.5 mm (mini-Jack)
Battery typebattery / Li-Ion /