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Pairing Your Headset 

1.  Place the headset and the mobile phone where they are no more than one metre apart. 

2.  Ensure the headset is off.(The display is unlit) 

3.  Press the hold the MFB until the headset’s display will show”

 pairing

” 

4.  Activate your mobile phone’s Bluetooth function. Please refer to your mobile phone user guide for details. 

5.  Set the mobile phone to search for Bluetooth devices within the one metre range,as instructed in the mobile phone 

user guide,and select 

ST-66

”from the list. 

6.  Enter the pre-programmed passkey”0000” and press “ok” to pair your headset and mobile phone.When the pairing is 

completed,the headset’s display will show “

connected

” and followed by a beep. 

7.  Go back to your mobile phone’s main menu.For certain mobile phone   

 

Using Your Headset 

Answering a Call 

When there is an incoming call, you will hear the beep through the earpiece. Press the MFB once to accept the call via 

your mobile phone in the normal way. 

Ending a Call 

Press the MFB once to end your call. Or end the call via your mobile phone in the normal way. 

Adjusting the volume 

Where you are on the phone or listening to the music,

 press the volume button repeatedly until you reach the desired 

volume level. The headset’s display will show a 7-tiered audio level. The volume may be affected by the volume setting 

of the caller’s phone as well. Re-adjust the listening volume again when necessary. 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 

Summary of Contents for ST-66

Page 1: ...bile phones supporting Bluetooth Headset or Handfree Profiles FCC Caution This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not...

Page 2: ...eadset 4 5 Use Your Headset 5 6 Answer a Call 5 Talk and Standby Time 5 Adjusting the Volume 5 Dialing from Your Mobile phone 6 Voice Dialing from Your Headset 6 Rejecting a call 6 Last Number Rediali...

Page 3: ...T 66 Bluetooth Headset Overview 1 Built in Microphone 2 Display with backlight 3 Charging Socket 4 Volume Setting Button 5 Built in Buzzer 6 Built in Rechargeable Battery 7 Earpiece 8 Multi function B...

Page 4: ...When turning on the headset will connect with last device which you have matched before the screen shows connecting ready If haven t connected with your device it will shows Ready Power off Turn off S...

Page 5: ...g IMPORTANT Charging indication will be delayed for a few seconds if the headset has not been used for a long time or the battery is drained Normal Charging Time If takes about three hours to fully ch...

Page 6: ...ess the headset s MFB firmly to turn it off If you will not be using the headset for a while we advise you turn off the Bluetooth function on your mobile phone as well Pairing Your Headset The headset...

Page 7: ...he pairing is completed the headset s display will show connected and followed by a beep 7 Go back to your mobile phone s main menu For certain mobile phone Using Your Headset Answering a Call When th...

Page 8: ...Redialing from Your Headset Press the MFB on your headset twice IMPORTANT The above functions are only applicable to mobile phones with Bluetooth Headfree Profile Functionality Varies depending on th...

Page 9: ...expose the headset to extreme temperature conditions Do not dispose of the headset in a fire as it this may result in an explosion Do not bring your headset into contact with sharp objects as this wi...

Page 10: ...turer supplied charger when charging the headset Do not disassemble the charger as it may expose you to dangerous voltages and other risks Incorrect reassembly can cause electric shocks when the heads...

Page 11: ...signs that require an electrical device or RF radio product to be switched off in designated areas These could include hospitals blasting areas and potentially explosive environments Turn off your he...

Page 12: ...your mobile phone user guide for specific instruction Ensure the headset is within a 10 meter range of your mobile headset and there are no obstructions such as walls or other electronic devices in b...

Page 13: ...2 0 Bluetooth profile supported headset handsfree A2DP and AVRCP Range of frequency 2 4ghz spectrum Dimension 51 23 23 mm Nominal charging time within 3 hours Talk time up to 10 hours Stand by time up...

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