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BLUETOOTH HEADSET
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USER MANUAL
English
< End a Call >
Use either of the following methods to end a call.
z To end a call from the headset – When you want end a phone call, just press the
“Power / Talk / Pairing” Button of headset once to end the call.
z End a call from the keypad of mobile phone / PDA.
Notice:
z The paired Bluetooth mobile phone has to support Bluetooth HSP or HFP.
z The actual hands-free functions and operations may vary due to the different paired
mobile phone models and Bluetooth settings.
z If the headset is distant from the mobile phone, or if there are some metal obstructions
in-between, the hands-free communication may be interrupted or interfered.
Battery and Charging Notice
BATTERY WARNING：
The BT400 GX headset contains rechargeable Lithium battery. To reduce the risk of fire or burns, do
not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
CHARGING NOTICE：
To reduce the risk of personal injury, electrical shock, fire or damage to the equipments, please follow
all instruction below：
z Do not expose the BT400 GX headset to rain or water.
z Dot not install, place or use the BT400 GX headset near any source of heat such as a stove,
radiator, oven, toaster, coffee maker or other apparatus (including microwave oven) that gives off
heat.
z Always use the original USB Charging Cable included in the BT400 GX retail box to charge the
BT400 GX headset. Using any incorrect power supply device will cause damage to the BT400 GX
headset and void the warranty.