User manual

tooth V1.2, Class II, the longest working distance is 10 me-

ters. But, this working distance may be shortened by the

interference existed in the surroundings and due to the insuf-

cientBluetoothfunctionofthemobilephone.

Q:WhydoesmyBluetoothmobilephonendmanyBluetooth

devices while searching for the new Bluetooth device?

A : Most of the mobile phones are allowed to nd more  than

one Bluetooth device within the working range. When the

searching is nished, your mobile phone’s LCD will show

HCB20 or some Unknown Devices. Please select and con-

rmHCB20.

Q:WhymymobilephonecouldnotndtheHeadset?

A : Only while your Headset is under the pairing mode, your mo-

bilephonecanndtheHeadset. Please followthe instruc-

tions of your Headset manual to proceed the pairing process.

Q : Shall we pair the Headset every time while using it?

A : No. The paired devices remain paired regardless of turning the

power off, reopening the devices or changing the battery.

Q : Why is the voice from the Headset not clear?

A : It may be the following two reasons:

(1) Your location has a bad signal, please move to a location with

a better signal.