01 Warning
⚠ To ensure proper use and trouble-free operation, please carefully read this user manual first.
- For the first use, a full charge is recommended.
- Please use and store the product at room temperature.
- Do not throw and drop the product to avoid damages.
- Do not expose the product to fire, high temperature, direct sunlight, etc.
- Do not use organic solvents or other chemicals to clean the product.
- Do not allow small particles to get into the product.
- Please keep volumes of the speaker moderate to avoid temporary or permanent hearing impairment.
- Do not dissemble the product, or make any modifications to the structure or any parts of it.
- Keep the product out of children's reach.
- If the battery is not properly replaced, there will be an explosion accident, which can only be replaced with the same type of battery.
- Batteries (battery packs) cannot be exposed to such conditions as sunshine, fire or similar overheating conditions.
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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. FCC ID: 2AXOX-A90
02 Packing list
The Mifa A90 package includes:
- 1 × Bluetooth Speaker
- 1 × User Manual
- 1 × USB Type-C Charging Cable
- 1 × 3.5 mm Audio Cable
- 1 × Strap
03 Keys Functions
The Mifa A90 speaker features several buttons for control:
- Power Button: Press and hold for 2 seconds to turn on or turn off. Press and hold for 8 seconds to reset the speaker.
- Power Indicator: Short press the power button to show remaining power (green light flashes):
- 100% power: flashes 4 times
- 75% power: flashes 3 times
- 50%: flashes 2 times
- 25% power: flashes once
- Volume Up (+) Button: Short press to increase volume. Long press to play the next song.
- Volume Down (-) Button: Short press to decrease volume. Long press to play the previous song.
- Play/Pause Button: Short press to play or pause.
- Call Answer Button: When a call comes, short press to answer or hang up; long press to reject.
- Mode Button (M): Short press to switch modes in the powered-on state. If a Micro SD card, USB flash drive, and audio cable are inserted, modes switch in turns: Bluetooth mode → Micro SD card mode → Aux-in mode → USB flash driver mode. Press and hold for 2 seconds to disconnect the paired device.
- RGB Light Mode: Double click the mode button to turn on/off the RGB light and change the RGB light mode.
Light Indicators:
- Pairing Status: Blue light flickers quickly.
- Paired Status: Blue light stays on.
- AUX/TF/USB Mode: Blue light stays on.
- Pause Status: Blue light flickers slowly.
- Min/Max Volume: Blue light flickers quickly.
- Low Battery: Red light flashes.
04 Ports Functions
The Mifa A90 speaker includes the following ports:
- Aux-in Jack: Insert an audio cable in the powered-on state to automatically enter Aux-in mode.
- USB Flash Driver Port: Insert a USB flash drive in the powered-on state to automatically play music stored on the drive after beeps.
- USB Type-C Charging Port: Use a DC 5V/2A adaptor to charge the speaker.
- Micro SD Card Slot: In the powered-on state, insert a Micro-SD card to automatically play music stored on the card after beeps.
- Charging Indicator: Red light will stay on when charging, and turn off after finish charging.
05 Bluetooth Connection
To connect the Mifa A90 speaker to your device via Bluetooth:
- Turn on the speaker: Press and hold the power button for 2 seconds to turn on the speaker. A prompt sound will be heard, and the blue light will flash, indicating it is in pairing mode.
- Connect it to your device: Turn on Bluetooth on your device and select "Mifa_A90". Once connected, a beep sound will confirm, and the blue light will stay on. The speaker will automatically connect to the last-connected device when its Bluetooth is turned on.
Other Instructions: To connect to another device, press and hold the Mode (M) button for 2 seconds to disconnect the currently paired device. The speaker will then enter pairing mode.
06 True Wireless Stereo Function
The Mifa A90 supports True Wireless Stereo (TWS) for a stereo sound experience with two speakers.
- Set up the TWS system: Turn on two Mifa A90 speakers and ensure no device is connected to either. Short press one speaker's "-" and "+" buttons simultaneously. A beep sound will indicate pairing is taking place. Once pairing is complete, another beep sound will confirm.
- Pair two TWS speakers with a Bluetooth device: Select "Mifa_A90" in your Bluetooth device's settings menu. A sound will indicate successful connection, and the blue light will remain on.
- Stop the TWS: Short press either speaker's "-" and "+" buttons simultaneously to disconnect it from the other speaker.
Tips:
- For the first time setting up the TWS system, the speaker on which you press the "-" and "+" buttons will function as the main speaker and left channel. The other speaker will be the dependent speaker and right channel.
- The true wireless stereo function supports only two speakers.
- After the first connection, the main speaker will continue to function as the main speaker, and the dependent one as the dependent speaker in future connections. They will automatically connect to each other when powered on.
- After setting up the TWS system, the dependent speaker's blue light stays on, and the main one's blue light indicates your operation.
- Once the TWS system is successfully set up, you only need to operate either speaker. The other speaker will perform the same operation simultaneously.
07 Specifications
| Basic Parameters | |
|---|---|
| Speaker Type | Portable Bluetooth Speaker |
| Supported Storage | Up to 32 GB Micro SD Card |
| Power Supply | Built-in 8000 mAh Lithium Battery |
| Audio Input | DC 5V / 2A USB Adapter |
| Bluetooth, Micro SD Card, 3.5mm Aux-in | |
| Technical Parameters | |
| Loudspeaker | Dual 66mm Speakers + Dual 78mm Low Frequency Amplifiers |
| Frequency | 60Hz ~ 18KHz |
| Bluetooth Version | Bluetooth 5.0 |
| USB Standard | USB 2.0 (Compatible with USB1.1) |
| Supported Media Type | APE/FLAC/WAV/WMA/MP3 |
| Bit Rate | MP3: 8Kbps-320Kbps WMA: 32Kbps-384Kbps WAV: 32Kbps-1414Kbps APE: 100Kbps-1200Kbps FLAC: 100Kbps-1200Kbps |
Size: 250 × 106 × 115 mm
Weight: 1155g (including the built-in Lithium battery)
08 Trouble Shooting
| FAQ | Solutions |
|---|---|
| Not able to connect to your device | 1. Restart the speaker and try again 2. If your device requires a Pin Code, please enter 0000 |
| Keeps cutting out when playing | Please ensure the speaker is within the operating range and there are no obstacles between the speaker and the device |
| Not able to play the music in Micro SD card | 1. Please ensure the format of the Micro SD card is FAT32. It only supports FAT32. 2. Please ensure the formats of the music files are APE, FLAC, WAV, WMA or MP3. |
| No sound when playing | 1. Please adjust the volume of the speaker. 2. Please adjust the volume of your device. 3. Please check if the speaker is paused. |
| No sound in AUX-in mode | Please ensure the audio cable is connected well. |
| Not able to turn on | Please try to charge the speaker for about 3 hours. |
| No respond to any operation | Press and hold the power button for 8 seconds to reset the speaker. |
