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The Bluetooth earphones are stereo and they work as hands free, too. 

 Very light weight and comfortable. 

 Manufactured with high resistance plastic. 

 It features multifunction button for on/off, sync, answer/hang up calls and volume 

level adjusting. 

 Their internal battery can be charged via USB. 

 It includes LED status indicator.

I M P O R T A N T 

The instructions of this manual are for reference about the product. There may 

be differences due to updates. 
Please check our website (www.steren.com) to obtain the latest version of the 

instruction manual.

Before using your new Steren´s product, please read this instruction 

manual to prevent any damage.

“The operation of this equipment is subject to the following two conditions: (1) it is possible that this 

equipment or device may not cause harmful interference, and (2) this device  must accept any interference, 

including interference that may cause undesired operation . “

 

• Do not use or store the equipment near wet places. May cause malfunction or shock 

hazard.
• Avoid dropping the unit as this may cause damage.
• Do not put heavy objects on the device or accessories.

C A U T I O N S

H I G H L I G H T S

 

WARRANTY

This Steren product is warranted under normal usage against defects in workmanship and materials to the original purchaser for one year from the 

date of purchase and three months on its battery.

CONDITIONS

1. This warranty card with all the required information, invoice or purchase ticket, product box or package, and product, must be presented when 

warranty service is required.

2. If the product is in the warranty time, the company will repair it free of charge.

3. The repairing time will not exceed 30 natural days, from the day the claim was received.

4. Steren sell parts, components, consumables and accessories to customer, as well as warranty service, at any of the addresses mentioned later.

 

THIS WARRANTY IS VOID IN THE NEXT CASES:

If the product has been damaged by an accident, acts of God, mishandling, leaky batteries, failure to follow enclosed instructions, improper repair by 

unauthorized personnel, improper safe keeping, among others.

a) The consumer can also claim the warranty service in the purchase establishment.

b) If you lose the warranty card, we can reissue it, if you show the invoice or purchase ticket.

RETAILER INFORMATION

Name of the retailer ____________________________________    

Address _____________________________________________

Product ______________________________________________    

Brand _______________________________________________

Serial number _________________________________________     

Date of delivery _______________________________________

In case your product fails or have questions, please contact your nearest dealer. If you are in Mexico, please call to our Call Center.  

01 800 500 9000

   

Product design and specifications are subject to change without notice.

Product: Bluetooth stereo earphones

Part number: AUD-777 

Brand: Steren

 

 Turning on 

Press and hold the multifunction button until you hear a tone and the LED indicator flashes 

blue. The headset will be in mode stand-by.

Calls:

Answering a call: press the multifunction button 

once. 
End call: press the multifunction button once. 
Reject a call: press the multifunction button for 2 

seconds when you receive the call. 
Redial last number: press the multifunction button 

2 times.

Listen to music: 

1. Press the multifunction button to start the music and press it again to pause it. 
2. To advance the song press volume ( - ). 
3. To return the song press volume ( + ).

If you need the ear hooks, place them as shown.  Identify the left fook 

by the letter ( L ) and the right hook by ( R ).

How to use

1. To link the headset press and hold again the multifunction button until the indicator 

LED flashes 

blue and red. 

2. Put your phone on Bluetooth device discovery mode. (For more 

information, see your phone’s instruction manual).

3. When the phone finds the “AUD-777” device, confirm the pairing.
4. If the pairing has been successful, the LED will start flashing blue, 

this indicates that the headset is ready for use. 
5. To switch off, press and hold the multifunction button until the 

indicator light flashes red. 
To make sure that you shut down the headset confirm that the indicator 

is off.

S P E C I F I C A T I O N S

 

Input: 5 V--- 500 mA (x USB) 

Bluetooth version: 3.0 

Supported Bluetooth profiles: Headset, Hands free, A2DP and AVRCP 

Transmitter power output: Class 2 

Frequency range: 2.402-2.480 MHz 

Charging time: 2 h approx. 

Music play time: 3 h* 

Talk play time: 3-4 h* 

Weight: 14 g 

* Moderated volume level

 - You only need to pair the devices once. If the pairing has not been successful, repeat the 

above steps. 
- Some phones may require the PIN (0000, default in most) number for pairing. Refer to the 

instruction manual of your phone for more information. 
- If the connected phone receives a call, it will automatically go to the headset. Likewise, if it is 

turned off during the call, it will automatically return to the phone.

 -The headset will automatically turn off if it’s in stand-by mode for 20 minutes.
 - Adjust volume: press and hold the volume control ( + ) or ( - ) . 
- If you are playing music and a call comes in the music will pause.
 -The headset has two pairs of rubber pads (12 mm and 14 mm) to fit the ear.

 

H O W   T O   U S E

 

When the battery level is low, the LED indicator will flash red. In 

this case, recharge the headset battery.

2. The charging LED will light red while the device is charging. 

When the battery is fully charged, the LED will turn blue. The 

battery may take 2 hours approximately to charge completely. 

Battery charging:

1. Connect the power cord to the headset charging port, as 

shown in the image. Connect the other end of the charger to a 

USB port on your computer or to a USB charger.

C O N T R O L S

The battery life varies depending on compatible Bluetooth devices, usage and configuration. 

1. Multi-function button.
2. Charging port.
3. Microphone.
4. LED status indicator.
5. Volume up ( + ).
6. Volume down ( - ).
7. Ear hooks.

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