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Placement: it is recommended that when you do not use your bluetooth headset, you should put it
in a place that will not squeeze it; extrusion may result in product damages or personal injuries.
Children: do not allow children to play with bluetooth headsets, because some small parts are
removable and children are dangerous if these parts are swallowed.
II Introduction
2.1
2.1 Bluetooth technology
(ISM)
1600
10
(33
Bluetooth technology is a wireless short-distance communication technology. Bluetooth
products run in the industrial, scientific and medical (ISM) frequency bands used worldwide, and
frequency hopping technology is adopted in order to avoid interference, which divided 2.4ghz and
2.4835ghz into 79 channels to transmit data at the frequency hopping rate of 1600 times per
second with about 10 meters of transmission distance (Class?). The bluetooth headset published
from Lenovo can communicate with other bluetooth devices within a range of about 10 meters (33
feet) without obstacles.
III Begin to use bluetooth headsets
3.1
3.1 Attention before use
3.1.1
Handsfree
3.1.1 Lenovo wireless bluetooth headsets, which are wireless stereo headsets with bluetooth
function, can be connected to the mobile phones that support bluetooth Headse or Handsfree
bluetooth protocol and other portable devices, and they also support AVRCP.
3.1.2
3.1.2 Before using headsets to make or answer calls, please first complete the pairing of
bluetooth headsets with bluetooth mobile phones or other bluetooth devices according to operation
steps.
3.1.3
3.1.3 Please ensure that the distance between your mobile phone or other bluetooth device
2.4GHz, 2.4835GHz
10m
)
)
79
(Class?)
Headset
AVRCP
10m
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