Dongguan Shengxiang Technology Co Ltd ST-157 Wireless Speaker User Manual

ST-157 Wireless Speaker

Dear users:
Thank you for buying our Bluetooth audio products, in order to let you easily experiencethe products,we randomly equipped with detailed instructions for use,you can get the introduction of the product, use methods and other aspects of knowledge. Before you start to use the machine, please read the instructions carefully, so that you can use the machine correctly. If there is any printing error or translation error, pleasethe majority of users understand, if the content is changed, without notice.

functional characteristics

• The latest wireless Bluetooth 5.3 technology makes it easy to connect to Bluetooth devices such as iPhones, iPads, smartphones, and enjoy high-quality music anytime.
• This machine adopts a low-power, high-power Class D digital power amplifier
• Built-in 2.4G wireless microphone system, equipped with wireless microphone, ready for karaoke at any time.
• Supports reverb, sound cancellation, and sound modification functions.
• Built-in large capacity rechargeable lithium-ion battery
• Standard 3.5MM headphone jack for easy listening to music
• Fashionable and portable, suitable for home, office, outdoor travel, sports, leisure.

 Host button operation

1. Long press: Previous track. Short press to decrease volume
2.  Long press: on/off. Short press to pause/play
3. Long press: Next track. Short press to increase volume
4. Short press: Bluetooth/TF/mode switching
5.  Short press: switch lights Long press: turn on lights
6.  TF card slot
7. TYPE-C charging port: DC-5V
8.  Blue light: power on connection indicator light Red light: charging indicator light
9.  USB
10. AUX: AUX-IN
    

Microphone key press operation

1. Power button: 3 seconds for power on/off.
   Short press switch: microphone/reverb/accompaniment adjustment Double click: pause/play

2.  Short press: Increase microphone volume adjustment, increase reverb volumeAccompaniment volume increase (adjust host volume increase) Long press to control the host’s next song

3.  Short press: microphone volume adjustment decreases, reverb volume decreasesAccompaniment volume decrease (adjust host volume decrease) long press to control the previous song on the host

4.  Microphone adjustment/reverb adjustment/accompaniment adjustment Short press: switch to voice change mode (male to female, female to male, Warcraft sound, doll sound) Call mode(i.e. microphone mode); Long press: turn the microphone on/off; Double click on the sound cancellation to turn it on/off

5. Indicator light: Red is the charging indicatorlight, blue is the microphone connection indicator light, and the blue light remains on when the microphone is successfully connected. |

Bluetooth connection operation

After turning on the power switch of the phone, turn on the Bluetooth function of the phone, search for Bluetooth devices, and click on pairing successfully to complete the process.

Charging usage method

Insert one end of the USB power cord into the TYPE-C interface of the device, and the other end of the USB plug intothe 5V1A or 2A charger for charging. This machine is equipped with an overcharging protection circuit, which can fully charge the battery in about 3-5 hours; Supports charging in a shutdown state. If the device is not used for a long time, it should be charged at least every two months to protect the battery and extend its lifespan.

Technical parameters

Note: Product parameters vary by model. Usage. Environment, etc., differ.

Common problems and solutions

Low or distorted sound| 1. Check the audio volume and adjust it to the appropriate position.
2. The battery is low, please charge it.
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Music breaks| 1. Does it exceed the effective distance of the sound system.
2. There are obstacles between the audio and Bluetooth devices
Multiple unsuccessful connection pairing| 1. Check if the phone is in search mode or restart it.
2. Delete the original device name of the phone and search for connections again.
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Bluetooth status indicator light does not light up| 1.  Indicates that the battery is low. Please fully charge and try again.
2. Reboot

Packaging List

1. One host
2. Two microphones (subject to specific model)
3.  One warranty card for the user manual
4.  One USB power cable

Safety and Use

1. Please store and use this product in a room temperature environment.
2. Do not use this product in rainwater or humidity.
3. Do not disassemble, repair, or modify this product on your own.
4.  Please do not discard it randomly to avoid product damage caused by falling.
5. This product has a built-in lithium battery. Please do not dispose of it or place it in a fire to avoid danger.

• If there is any violation of the above warning and improper use, resulting in personal and property damage, the company will bear all consequences and will not bear any legal responsibility.
• Specification

1. Product sales without power adapter
2. Please use a power adapter that has obtained a CCC certificate and meets relevant standards.

FCC Warnning:
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 againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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 isconnected.
• Consult the dealer or an experienced radio/TV technician for help.

Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.
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.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

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