Aston Innovations
SoundTek
Owner’s Manual

Thank you so much for choosing Aston Innovations’s products

Product Description

This is a high-quality Bluetooth audio receiver/car kit, This one built-in high sensitivity microphone, and high-performance noise isolator, and can be installed in your car or home audio system to achieve high-quality Bluetooth music playback and Bluetooth hands-free function.
Just require your car or home audio system to have an AUX audio input port.

How to Use

• Plug-in USB to any USB port and Aux connector to car AUX-IN port
• The audio input source of the car media system switch to “AUX IN” mode
• Enable Bluetooth and enter the Bluetooth submenu to search/add devices to your smartphone
• The smartphone can find the SoundTek device (device name is “SoundTek XX)
• Click to pair and connect the “SoundTek XX” on a smartphone
• Then you can try to play music on a smartphone….etc.
• Fine-tune volume to get best audio quality, refer to below method

How to Get Best Audio Quality

• Reduce the volume of car media system first, for example, volume level 12
• Make a handsfree call, and then adjust phone volume to max and press and hold the “next truck” button to adjust the volume of soundtrack to the max in handsfree call mode
• Then adjust the volume of the car media system to right level that you like
• And then for music play mode, no need to adjust the volume of the car media system, during music play mode, just adjust the volume of the phone to right level that you like
• And for voice assistant mode, no need to adjust the volume of the car media system, during voice assistant actived mode, just adjust the volume of the phone to right level that you like.

Note:

a) The SoundTek already built-in noise isolator module inside, this will be 100% remove the hum/static/buzzing noise and keep the best audio quality
b) The audio quality will be reduced if you add an extra ground loop noise isolator, that caused by the extra ground loop noise isolator not so good (will cut a lot of low frequency of audio frequency)

Buttons Functions

| Pairing Device

Play Music I Voice Assistant| Hands-Free Call Mode
---|---|---
| Pairing Device
•Press and hold for 6 seconds to enter Bluetooth pairing mode
Bluetooth Connection
•Press to connect paired Bluetooth device if it’s not automaticlly connected
Play Music Mode
•Press to play or pause music
Active Voice Assistant
•Press and hold 1 second to the active voice assistant
•Such as Siri or Google Now etc.
• It depends whether the smartphone this feature support| Answer/End Call
• Press to answer an incoming call or end the current call
Reject Call
•Press and hold 1 second to reject an incoming call
Transfer Call
•Press and hold 1 second to transfer the current call to phone or Bluetooth handsfree
Three-Way Call
•Press to answer the new incoming call and end the current call
•Press and hold 1 second to answer the new incoming call and hold the current call
| Music Play Mode
•Press to play the previous track
•Press and hold to reduce the music volume Voice Assistant Mode
•Press and hold to reduce the volume while voice command actived| Hands-Free Call Mode
•Press and hold to reduce the handsfree volume
| Music Play Mode
•Short press to play next track
•Press and hold to increase music volume
Voice Assistant Mode
•Press and hold to increase volume while voice assistant actived| Hands-Free Call Mode
•Press and hold to increase the handsfree volume

• During Bluetooth disconnected mode, Press and hold and buttons for 6 seconds to clear all paired devices and re-entering pairing mode

Technical Specifications

2)AAC,SBC (for non-aptX model)
Audio output level| 1 Vrms
Frequency response| 20Hz – 20KHz (+/-0.5dB typ.)
Signal to noise ratio(SNR)| 101 dBA type.
THD+N ratio| 0.0029% (20Hz – 20KHz) typ.
Channel Balance| <0.1dB
Crosstalk| >80dB
Power input| USB Type-A port (DC5V)
Audio output| Golden plated 3.5mm AUX plug
Product size| 43mm(Diameter) x 11.5mm(Thickness)
Cable length| 1.2m / 3.96ft

What’s in the box

1. SoundTek x 1
2. Ower’s manual x 1
3. Cable clip holder x 5
4. 3M double-sided adhesive pad x 1 (backup)

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

Dear Customer
Have a great day
Thank you so much for choosing Aston Innovations’s products

• Welcome to write product feedback and product reviews, And welcome to contact us if you need any helps.
• Thank you so much for recommending this product to your friends and families.

Sincerely
Aston Innovations
FCC Information
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

This equipment complies with FCC exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

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