Sony MDR-RF865RK

Specifications
Sony MDR-RF865RK
General DataDriver unit
Microphone
Magnet
Diaphragm
Frequency
Sensitivity
Usage time
Impedance
Cord type
Beat control
Plug
Weight (g)
Color  
40 mm dynamic

Neodymium
LUMIRROR
5-40,000 Hz (Power On) (Wired)


40 ohm
Stereo mini-jack, stereo RCA
Headband, Over-Ear
Stereo mini-jack, stereo RCA
320 g
Black, gray, green
Features
Charge time
Volume control
Wireless closed type headphones, with up to 100m range
Noise reduction system reproduces a clearer sound
40mm driver unit delivers a wide frequency range
Built-in automatic tuning for high quality transmission
Listen for longer with up to 25 hours battery life
Image: https://www.youtube.com/watch?v=27Lcg-TiTOQ

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