3
Children
Keep the Bluetooth headset away from children.
Some small knockdown parts might be swallowed
and result in danger.
2.
B
rief Introduction
2.1
Bluetooth Technology
Bluetooth technology is a short-distance wireless
communication technology. Bluetooth products are
used in the frequencies of industry, science and
medical industry (ISM). It applies technology of
frequency-jump in order to avoid interference, the
frequency band of 2.4GHz
～
2.4835GHz is divided
into 79 channels and transfer data by the frequency
of 1600 times per second with the transmission
distance of about 10m(Class II).
2.2
Bluetooth Headset
Bluetooth headset is a wireless headset developed
with Bluetooth technology. Your Bluetooth wireless
headset can communicate with other Bluetooth
devices such as mobile phone, PDA, and PC etc.,
within a range of approximately 10 meters (33 feet).