Instruction Manual
Multimedia Audio Player 138
Features
- The latest wireless Bluetooth 5.2 technology, easy access to any smartphones and other Bluetooth devices, at any time to enjoy high-quality music.
- This product uses low power consumption, high power digital power amplifier.
- Built-in 2.4G wireless microphone system, equipped with wireless microphone, so you can enjoy Karaoke at anytime.
- Support reverb, elimination of original Sound, change the sound function.
- Built-in large capacity Lithium-ion battery.
- Standard 3.5mm headphone jack for easy listening to music.
- Fashion and convenient, suitable for home, office, outdoor travel, sports, leisure, entertainment, learning and so on.
Speaker Operation
Button 1: Short Press to decrease volume, long press to play the last song.
Button 2: Long Press for 3 seconds to turn on/turn off this product; Short press to pause/play. Double press to disable Bluetooth.
Button 3: Short Press to increase volume, long press to play the next song.
Button 4 (M): Press to switch functions between several modes: Bluetooth/TF Card.
Button 5: Earphone output terminal.
Button 6: TF card slot (Max support 64GB).
Button 7: Charging port.
Button 8 (Operation indicator light): The light is red during charging, turns off when fully charged. The light is blue when connected to Bluetooth, and it flashes when playing.
Diagram Description: The diagram shows the speaker with circular buttons labeled 1 through 7, and a slot labeled 'TF'.
Microphone Operation
Button 1 (Power button): Press for 3 seconds to turn on/turn off the microphone. Double press to switch modes between microphone adjustment, reverberation adjustment, and accompaniment adjustment (host speaker volume).
Button 2 (Microphone volume+): Short press to increase the microphone volume, reverberation, and accompaniment. Long press to play the next song.
Button 3 (Microphone volume -): Short press to decrease the microphone volume, reverberation, and accompaniment. Long press to play the last song.
Button 4 (Microphone button): Double press to turn on/off the original Sound Elimination function. Short press to switch sound changing modes (male to female, female to male, Wow tone, wah-wah tone). Press longer to turn on/off microphone mode.
Light indicator: Red/blue lights flash simultaneously when the microphone is turned on. The red light is on during charging and turns off when fully charged. The blue light is steady when the microphone is successfully connected.
Note: By default, the microphone connects to the last device. If the last device is not found within 10 seconds, it will automatically re-pair.
Diagram Description: The diagram shows a microphone with 5 buttons labeled ① through ⑤, and an indicator light. Button ① is the power button. Button ② increases volume. Button ③ decreases volume. Button ④ is the microphone function button. Button ⑤ is the indicator light.
Charging Operation
Plug one end of the USB power cord into the “DC5V" interface of the unit, and the other end into a charger with 5V 1A or 2A. The device has a built-in overcharge protection circuit. Charging takes about 3 to 5 hours for a full battery. It supports charging while the device is off. If not used for a long time, charge once every two months to protect the battery.
Technical Parameters
Bluetooth version | 5.3 |
TF card audio format | MP3 |
Peak power | 6W |
Frequency response | 120Hz~20KHz |
Effective distance | ≤10 metres |
Power supply mode | Lithium-ion battery 3.7V 1800mAh |
Input power supply | DC 5V 500mA |
Charging time | About 3-5 hours |
Product dimensions | 87 x 65 x 73 mm |
Operating temperature | -10 to 40 degrees Celsius |
Frequently Asked Questions and Solutions
- Low or distorted sound
- 1. Check the volume of the stereo and adjust it to the appropriate position. 2. The battery is low, please charge it.
- There is a break in the music
- 1. Check if the effective distance of the sound system is exceeded. 2. There are obstacles between the speaker and Bluetooth devices.
- Multiple connection pairings were unsuccessful
- 1. Check if your phone is in search mode or reboot it. 2. Delete the original device name in your phone and re-search for connection.
- The Bluetooth status indicator is not on
- 1. The battery is low. Please try again after charging. 2. Reboot the device.
FCC Warning
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 causes 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.
Caution: Any changes or modifications to this device not explicitly approved by the 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.