Califone 35IR Leaflet

Distributed by:

Wireless Stereo Headphone

Model 35IR-USB

1.  Fully adjustable comfort strap wrapped with leatherette 

cushioning to fit all sizes

2.  Recessed wiring resists prying fingers for classroom safety

3.  USB connector plug for technology-oriented applications

4.  Infrared transmitter with 15’ line of sight range 

5.  Replaceable foam-filled ear cushions

6. Volume control

7. On/off switch

8.  Noise-reducing earcups lower ambient noise so volume does

not need to be as high, as recommended by  audiologists

9.  Built-in wireless receivers (semi-circle considered ideal for

group reception)

10. Rugged ABS plastic headband and earcups for durability

• Includes a 3’ USB attachment cord to extend reach from the

computer to the transmitter for enhanced IR transmission 

• Warranty for school use - unlike items purchased at a consumer

electronics store whose warranty is voided if used in schools

Wireless headphones remove the tethered

feeling to media players and computers.

This wireless stereo headphone is ideal for

assistive listening with shared computers in

labs, libraries, classrooms and language

learning situations. It can also be used as a

teaching resource in ed tech applications.

The detached USB connector transmits

wireless audio for functional and 

convenient wireless learning.

Please contact us immediately if you experience any issues or

questions with your headphone. Our “Project Intercept" 

customer service program will quickly repair or replace items

under warranty. Simply contact us via phone or email

rilane@califone.com. 

Visit our website at www.califone.com to learn more about the

complete line of Califone

® 

audio products including: Wired and

wireless  headphones: Public address systems, wireless 

microphone systems, group listening centers, multimedia 

players and computer peripheral products. 

This wireless headphone carries a one year warranty and 

service support available through authorized dealers nationwide.

Specifications

Headphone

Transducer

40mm Mylar Diaphragm

Magnet

Neodymium Magnet

Impedance

16 Ohms ± 15%

Frequency Response

20 Hz - 20kHz

Carrier Frequency

2.3 MHz

Distortion

<1.5%

Receiving Diodes

4 Infrared

Earcups

Noise-reducing, Rugged ABS plastic for
added durability

Earpads

Black leatherette

Reception range

Up to four users within its 5’ line of sight
range from transmitter

Power Source

2 x 1.5 volt AAA alkaline batteries (included)

Weight 

12 ounces, shipping weight 1 pound

3’ USB Attachment Cord

Included but not shown in picture

Mini CD Driver

Included but not shown in picture

Warranty

1 year for school, business, church and 
government uses

Safety Approval

CE rated safe for use in schools, 
churches and government facilities

Product Compatibility

All media players with a USB plug

35IR-USB, January 2006

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®

International Inc. 800-722-0500

www.califone.com