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Untangle your mind and relax with crisp, personal audio without wires. 

They also feature a comfortable headband and long battery life up to 25 

hours. Best of all, one simple setup is all it takes to achieve optimal RF signal 

reception and you're on your way to cordless freedom. 

Cordless Headphones

Enjoy high-fidelity sound, at home, in wireless freedom.

Long-term comfort

The easy-adjust headband allows for long-term comfort and ease-of-use.

Expressive sound

40mm drivers deliver deeper bass and audio clarity for a superior home entertainment 

experience.

Quality sound

Wireless radio-frequency transmission provides quality indoor transmission. (Up to approximately 

150 ft)¹

Fast charging

Quick charging your headphones is a breeze with the secure charging system. A 3.5 hour charge 

will produce a full charge of approximately 25 hours. recharge function.

Specifications

Audio

Audio Modes

Mute: Operates when RF signal is weak or not received

Channel Selection

Select by a slide switch

Driver Unit

40 mm

Effective Range

Approximately 150 feet (45 m)

Frequency Response

10-22000 Hz

Transmitter

Ch1: 915.5 MHz, Ch2: 916.0 MHz, Ch3: 916.5 MHz [selective, FM Stereo

Tuning

Manual tuning via switch on both base and headphones

Volume Control

Yes (Rotary)

General

Design

Over-the-head, Home-music/movie/games

Diaphragm

PET

Headband

Wide, Easy-Adjust

Magnet

Ferrite

Power On/Off

Power turns ON when headphones are worn; Red LED illuminates

Type of Use

Home

Hardware

Communication

Wireless Analog 900 mHz Radio Frequency

Headphone Type

Closed, Dynamic

Inputs and Outputs

Audio In

Analog Phono Input (left/right), Analog Stereo Input mini jack (x1) 

MDR-RF985RK

900 MHz Analog RF wireless headphone

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