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Sony MDR-RF811RK. Product type Headphones. Wearing style Head-band. Recommended usage Music. Connectivity technology Wireless. Wireless range 100 m. Ear coupling Circumaural. Headphone frequency 20 - 20000 Hz. Acoustic system Closed. Battery type BP-HP550-11. Battery technology Nickel-Metal Hydride (NiMH). Battery life (max) 13 h. Weight 270 g Ports & interfaces
Connectivity technology Wireless Wireless range 100 m
Performance
Product type Headphones Wearing style Head-band Recommended usage Music Product colour Black Volume control Rotary
Microphone
Microphone type Not available
Battery
Battery type BP-HP550-11 Battery technology Nickel-Metal Hydride (NiMH) Battery life (max) 13 h Rechargeable battery Y Battery charge indicator Y Battery recharge time 16 h Charging source AC
Headphones
Ear coupling Circumaural Acoustic system Closed Headphone frequency 20 - 20000 Hz Magnet type Neodymium Driver unit 4 cm
Weight & dimensions
Weight 270 g
Packaging content
AC adapter included Y Wireless receiver interface 3.5 mm Quantity 1
Operational conditions
Operating temperature (T-T) 0 - 40 °C Operating relative humidity (H-H) 40 - 60 %
Other features
Receiver dimensions (W x D x H) 108 x 108 x 128 mm Receiver weight 137 g Modulation FM
Brand: Sony
EAN 4905524987355
Brand: Samsung
EAN 8806088840000
Brand: Samsung
EAN 8806094512540
Brand: harman/kardon
6925281963537
Brand: Sony
4548736070394
