Individual Wireless Headphone System Chart

 
Individual wireless headphones
CLS721
CLS725
CLS729
CLS747
Wireless headphone
yes
yes
yes
yes
Frequency
72.1 mHz
72.5 mHz
72.9 mHz
74.7 mHz
Color-coded hardware
yellow
blue
green
red
Individual volume controls
on earcup
yes
yes
yes
Rugged ABS plastic earcup and
headband (fully adjustable)
yes
yes
yes
yes
Built-in antenna for audio
reception
yes
yes
yes
yes
Rechargeable nickel metal
hydride battery
yes
yes
yes
yes
Hours of operation for
a single charge
6 hours
6 hours
6 hours
6 hours
Warranty for school use
1 year
1 year
1 year
1 year


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