Sound 4 - Pregnant Alphatronics - Free user manual and instructions

Product Type	Bluetooth Stereo Headset
Brand	Alphatronics
Model	Sound 4
Dimensions	176 x 165 x 32 mm
Weight	Approx 172.8 g
Battery Capacity	430 mAh
Music Play Time	Up to 16 hours
Standby Time	Approx 450 hours
Charging Time	About 3 hours
Charging Input	DC 5.0V, 340mA
Bluetooth Version	V4.0
Bluetooth Profiles	HSP, HFP, A2DP, AVRCP
Operating Range	Up to 10 meters (Class II)
Supported Devices	Bluetooth cell phones, PDAs, Bluetooth transmitters
Pairing Memory	Up to 8 devices
Multi-Device Connection	Up to 2 devices simultaneously
Call Features	Answer, end, reject, redial, voice dial, volume control, mute, call transfer
Music Control	Play/pause, previous/next track, volume control
Design	Foldable and retractable, portable
Care Instructions	Keep dry, avoid direct sunlight and high temperatures, not water-resistant
Safety Notices	Do not use during sports to avoid sweat damage

Frequently Asked Questions - Sound 4 Alphatronics

How do I pair the Alphatronics Sound 4 with my phone for the first time?

Ensure the headset is off, then press and hold the MFB button for 5-6 seconds until red and blue LEDs flash alternately. Activate Bluetooth on your phone, select "alpha4" from the device list, and enter PIN "0000". After successful connection, the blue LED flashes twice every 4 seconds.

What should I do if pairing fails?

Turn off the headset and repeat the pairing process. Make sure the headset is within 1 meter of your phone and that both devices have Bluetooth enabled. If it still fails, check your phone's Bluetooth settings and ensure the PIN is "0000".

How can I reset the headset to factory settings?

In standby mode (not connected to any device), press and hold the MFB and ▶II buttons simultaneously for 3-4 seconds until the red and blue LEDs turn on together. This will delete all paired devices and require re-pairing.

Can I connect the headset to two devices at the same time?

Yes, the headset supports multi-pairing with up to two Bluetooth devices. Pair and connect to the first device, then turn off the headset and enter pairing mode again to connect to the second device. Finally, reconnect the first device. The headset will automatically remember both.

What is the battery life and how do I charge it?

The headset offers up to 16 hours of music playback and approximately 450 hours of standby time. Charging takes about 3 hours via a DC 5.0V, 340mA input. Use the included charging cable and connect to a USB power source.

Why can't I control playback (play/pause/next) when listening to music?

Music control requires your Bluetooth device to support the AVRCP profile. If your device does not support AVRCP, you may only get basic audio streaming without remote control.

How do I switch between music and a phone call?

When you receive an incoming call during music playback, the headset automatically pauses the music and switches to the call. After ending the call, the music resumes. You can also manually answer or reject calls by pressing the MFB button.

What is the maximum operating range?

The headset has a Bluetooth Class II range of up to 10 meters (about 33 feet) in open space. Obstacles like walls may reduce the effective range.

How do I enable or disable multi-pairing mode?

To turn off multi-pairing, ensure the headset is in standby mode (not connected), then press and hold MFB and volume down buttons for 5 seconds until a prompt tone. To turn it back on, press and hold MFB and volume up buttons for 5 seconds.

Is the headset water-resistant?

No, the Alphatronics Sound 4 is not water-resistant. Avoid exposure to moisture, sweat, or rain. Do not use during sports to prevent sweat damage. Keep it in a dry place.

USER MANUAL Sound 4 Alphatronics

Welcome to use this Bluetooth stereo headset, alphatronicsSound 4. Pleas this user's manual carefully before use.

Brief introduction

1. Bluetooth wireless communication technology

Bluetooth is a standard of close range wireless communication technology that was drawn up by Ericsson, IBM, Intel, Nokia and Toshiba. With Blue technology, we can achieve the highest transmission rate among cell phones computers, printers, PDAs and other devices. The max transmission range class II is 10 meters while the max transmission ranges of class I can reach 100 meters.

2. About alphatronicsSound 4

alphatronicsSound 4 is a Bluetooth stereo headset. Foldable and retractable design is very easy to take with you. It supports the following Bluetooth p

HSP —— Headset Profile

HFP —— Hands-free Profile

A2DP—— Advanced Audio Distribution Profile

AVRCP——Audio/Video Remote Control Profile

You can enjoy music wirelessly by using alphatronicsSound 4. It has the features:

1) Pairing with a Bluetooth cell phone or PDA supporting HFP profile.

- Answer a call, end a call and reject a call

• Redial last number

• Voice dial
• Adjust the volume e
• Call transfer between the headset and your Bluetooth cell phone
• Microphone mute

2) Pairing with a Bluetooth cell phone or Bluetooth transmitter supporting A2DP profile.

• Enjoy music wirelessly
• Adjust the volume
• Remote control pause/play
• Remote control previous/next track

3) Easy to switch between the call and music, you will not miss the incoming call during listening to music.
4) Every time the headset is turned on, it will connect to last connected device automatically.

Note: In order to complete above function, the Bluetooth profiles of paired must be same as the headset. And even though the paired device and the h support the same Bluetooth profiles, functions may vary due to specifici differences of the paired devices.

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2. Pairing the headset with Bluetooth devices

1) How to enter pairing mode

Functions Operation LED indicator

Enter pairing mode

Ensure the headset is off, and then press and hold MFB button for 5\~6 seconds until red and blue LED flash alternately

Red and blue LED flash alternately

Remark: Pairing mode will last 2 minutes. If no devices can be connected after 2 minutes, it will return to standby mode automatically.

2) Pairing the headset with a Bluetooth cell phone

Prior to using the headset for the first time, you have to pair it with a Bluetooth-enabled cell phone. The pairing procedures are subject to different models of cell phones. Please refer to your cell phone user's manual for further information. The general pairing procedures are as follows:

1. Keep your headset and phone within 1 meter when pairing;
2. Make the headset enter pairing mode (please refer to "How to enter pairing mode);
3. Activate your cell phone's Bluetooth function and set your cell phone to search for Bluetooth devices within range, and select "alpha4" from the list of devices shown;
4. According to the indication, enter password or PIN No: "0000";
5. If prompted by your cell phone to connect, select "Yes" (this will vary among cell phone models);
6. After successful connecting, blue LED flashes twice every 4 seconds.

Remarks:

• If pairing is failed, please turn off the headset first and then re-pair according to steps 1-6 mentioned above.
• After pairing is successful, the headset and the cell phone will remember each other, they will no need to re-pair next time. The headset can remember 8 paired devices, when the number of paired devices exceeds 8, the first one will be replaced.
• Every time the headset is turned on, it will connect to last connected device automatically. If you want to pair it with other devices, please turn off the Bluetooth function of last connected devices first and pair the headset with the new device according to steps 1-6 mentioned above.

3) Pairing the headset with a Bluetooth transmitter

You can connect the headset to a Bluetooth transmitter to enjoy music wirelessly. Hereby take BA1 (Bluetooth transmitter for mobiles, TVs etc. not included) for example. The pairing steps are as follows:

Black electronic device with attached cable and connector (no visible text or symbols)

1. Keep your headset and phone within 1 meter when pairing;
2. Make the headset enter pairing mode (Please refer to "How to enter pairing mode);
3. Turn on the Bluetooth transmitter and make it enter paring mode. It will search for Bluetooth devices automatically and send a pairing request;
4. When the headset requests to enter a PIN No., the transmitter will response "0000" automatically;
5. After successful pairing and connecting, blue LED of the headset flashes twice every 4 seconds.

Remarks:

• The pairing password of alphatronicsSound 4 is "0000". So, the headset can only pair with a Bluetooth transmitter whose pairing password is "0000".
• If pairing still fails after several tries, please refer to the Bluetooth transmitter's user's manual for further information.

4) Pairing headsets with Multi-devices

The headset can connect with two Bluetooth devices at most. If you want to finish the multi-pairing, please refer to the following steps:

1. Firstly, pair and connect the headset with Bluetooth device one (refer to "pairing the headset with a Bluetooth cell phone);
2. Turn off the headset and make it enter paring mode again, pair and connect with Bluetooth device two(refer to “pairing the headset with a Bluetooth cell phone);
3. Operate Bluetooth device one to connect with headset. The headset has already connected with Bluetooth device one and two, the headset also can connect with these two devices automatically next time.

Remarks :

• After successful multi-pairing, the paired devices will remember each other.
- The headset will connect with last connected two devices automatically after turn on.
- Turn off multi-pair function: the headset in standby mode, not connect with device, press MFB and volume down button for 5 seconds simultaneously and release it until hear a prompt tone.
- Turn on multi-pair function: the headset in standby mode, not connect with device, press MFB and volume up button for 5 seconds simultaneously and release it until hear a prompt tone.

3. Reconnecting with a Bluetooth device

1) Automatic connecting

Every time the headset is turned on, it will connect to last connected device automatically.

2) Manual connecting

When the headset is in standby mode and not connect with device, short press any button of headset, it will connect to last connected device.

Remarks:

• Before connecting to a Bluetooth device, please turn on the Bluetooth function of Bluetooth device.
• On some Bluetooth devices, take some Nokia cell phones for example, you have to allow automatic connecting in the cell phone's settings. Please refer to your cell phone's manual for further information.

4. Making a call with the headset

1) Basic operation

Functions Status of headset Operation

Cancel a call Calling Short press MFB once

Answer a call Incoming ringing Short press MFB once

Reject a call Incoming ringing Long press MFB for 2

seconds and release it until listen a tone

End a call During a call Short press MFB once

Volume up During a call Short or long press + button

Volume down During a call Short or long press – button

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7. Indication tone

Indication tone Status of the headset

Continuous two prompt tone every 10 seconds Conversation mode and microphone mute

Three "dong" warning tone every 30 seconds Low battery

8. Factory Reset

In the status of standby mode and not connect with device, long press MFB and ▶II button for 3\~4 seconds simultaneously and release it until the red and blue LED on simultaneously.

Remarks:

• For factory reset, you should press MFB button first, and then press button or press MFB and ▶ II button simultaneously.
• After factory reset, the paired list of headset will be deleted. When you turn on the headset again, it will enter paired mode automatically, but it won't connect with device automatically, you should re-pair and connect with devices.

Care and maintenance

Read the following recommendations carefully before using alphatronicsSound 4. Following these you will be able to enjoy this product for many years.

1. Keep it dry and don't put it in the dump place to avoid the product's internal circuit being affected.
2. Keep the product away from direct sunlight or hot places. High temperatures will shorten the life of electronic devices, destroy the battery or distort certain plastic parts.
3. Don't use this product during sport to avoid the sweat into product so that damage the product. This product is not water-resistant.
4. Don't expose the product to cold areas. It may damage the internal circuit board.

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d) Make sure the distance between the headset and the cell phone is in the available Bluetooth range.

1. Why the headset can not hear the voice clearly in conversation?

a) Make sure the mobile phone is in the strong signal area;
b) Make sure the headset is in the available range of this product.

1. Why can't control pause, play, last song and next song when playing music?

This function needs your Bluetooth device supports AVRCP (Audio/Video Remote Control profile)

Specifications

Bluetooth version Bluetooth V4.0
Bluetooth profiles Headset, Hands free, A2DP,	AVRCP
Operating distance 10meters
Headset working time Music up to 16 hours
Headset standby time Approx 450 hours
Charging input DC5.0V 340mA
Headset charging time About 3 hours
Dimension 176*165*32mm
Weight Approx 172.8g
Battery capacity 430mAh

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