1. Introduction
This manual provides instructions for the proper use and maintenance of your MOMOHO Portable Bluetooth Speaker, model BTS0019. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.
2. What's in the Box
Verify that all items are present in the package:
- MOMOHO Portable Bluetooth Speaker (BTS0019)
- USB-C Charging Cable
- User Manual
- Lanyard

Figure 2.1: Package Contents. The image displays the speaker, a USB-C cable, a user manual, and a lanyard, all neatly arranged next to the product box.
3. Device Overview

Figure 3.1: Front view of the MOMOHO Portable Bluetooth Speaker. The speaker is round, green, with a perforated grille on the front and a lanyard attached.

Figure 3.2: Side view of the speaker, showing the charging port and TF card slot protected by a flap.
3.1 Controls and Ports
- Power Button: Used for powering on/off, play/pause, and answering/ending calls.
- Volume Up (+) Button: Short press to increase volume, long press to skip to the next track.
- Volume Down (-) Button: Short press to decrease volume, long press to go to the previous track.
- USB-C Charging Port: For charging the speaker.
- TF Card Slot: For playing music directly from a MicroSD card (supports up to 32GB, MP3 format).
- Built-in Microphone: For hands-free calling.
4. Setup
4.1 Charging the Speaker
- Connect the provided USB-C charging cable to the speaker's charging port.
- Connect the other end of the cable to a compatible USB power adapter (5V/0.3A-0.5A recommended).
- The charging indicator light will illuminate during charging and turn off when fully charged.
- A full charge takes approximately 2 hours.
4.2 Powering On/Off
- To power on, press and hold the Power button until you hear an audible prompt.
- To power off, press and hold the Power button again until you hear an audible prompt.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and not connected to any other device. The speaker will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "BTS0019" from the list of found devices.
- Once connected, the speaker will provide an audible confirmation.

Figure 4.1: Bluetooth pairing screen on a smartphone, showing the speaker connected.
4.4 True Wireless Stereo (TWS) Pairing
To achieve a stereo sound experience, you can pair two BTS0019 speakers together:
- Ensure both speakers are powered on and not connected to any other Bluetooth device.
- Double-click the Power button on one of the speakers. This speaker will become the primary unit.
- The two speakers will automatically connect to each other. You will hear an audible confirmation once TWS pairing is successful.
- Now, connect your device to the primary speaker via Bluetooth as described in Section 4.3.

Figure 4.2: Two speakers paired for TWS stereo sound.
4.5 TF Card Playback
The speaker supports playing MP3 audio files directly from a MicroSD (TF) card (up to 32GB).
- Insert a MicroSD card with MP3 files into the TF card slot.
- The speaker will automatically switch to TF card playback mode and begin playing music.
- Use the Volume Up (+) and Volume Down (-) buttons for track control (long press) and volume adjustment (short press).
5. Operating Instructions
5.1 Music Playback
- Play/Pause: Short press the Power button.
- Volume Up: Short press the (+) button.
- Volume Down: Short press the (-) button.
- Next Track: Long press the (+) button.
- Previous Track: Long press the (-) button.
5.2 Hands-Free Calling
The built-in microphone allows for hands-free calls when connected via Bluetooth.
- Answer Call: Short press the Power button when an incoming call is received.
- End Call: Short press the Power button during a call.
- Reject Call: Long press the Power button when an incoming call is received.

Figure 5.1: Using the built-in microphone for hands-free calls.
5.3 Waterproof Feature (IPX7)
The speaker features an IPX7 waterproof rating, meaning it can be submerged in water up to 1 meter for 30 minutes. It is resistant to rain, splashes, sand, and dust. Ensure the charging port and TF card slot cover is securely closed to maintain water resistance.

Figure 5.2: IPX7 Waterproof rating for the speaker.
6. Maintenance
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the speaker away from extreme temperatures and direct sunlight.
- Ensure the port cover is sealed when not charging or using a TF card to maintain water and dust resistance.
- Store the speaker in a cool, dry place when not in use for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker for at least 30 minutes. |
| Cannot pair via Bluetooth. | Bluetooth is off on your device; speaker is already connected to another device; speaker is out of range. | Ensure Bluetooth is enabled on your device. Disconnect from other devices. Move speaker closer to your device (within 50 feet/15 meters). |
| No sound during playback. | Volume is too low; speaker is paused; incorrect audio source selected. | Increase volume on both speaker and connected device. Press the Power button to play. Ensure the correct input (Bluetooth/TF card) is active. |
| TWS pairing fails. | Speakers are already connected to other devices; incorrect pairing procedure. | Ensure both speakers are disconnected from all devices before TWS pairing. Follow TWS pairing steps precisely. |
| TF card not playing. | Card not inserted correctly; unsupported file format; card capacity too large. | Reinsert the TF card. Ensure audio files are in MP3 format. Use a TF card up to 32GB. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | BTS0019 |
| Brand | MOMOHO |
| Connectivity Technology | Bluetooth 5.0 |
| Bluetooth Range | Up to 50 feet (15.24 meters) |
| Speaker Type | Portable, Round |
| Audio Output Mode | Stereo (with TWS pairing) |
| Special Features | Built-in microphone, TWS pairing, IPX7 waterproof, TF card slot |
| Water Resistance Level | IPX7 (Waterproof) |
| Power Source | Battery Powered (1 Lithium Ion battery, included) |
| Battery Life | Up to 15 hours (continuous playback) |
| Charging Time | Approximately 2 hours |
| Compatible Devices | Smartphones, Tablets, MP3 Players, Laptops |
| Product Dimensions | 3"D x 3"W x 2.36"H |
| Item Weight | 9.4 ounces (0.27 Kilograms) |
9. Warranty and Support
This product comes with a limited warranty. For detailed warranty information and customer support, please refer to the official MOMOHO website or contact their customer service directly. Keep your purchase receipt for warranty claims.
For further assistance, please visit: MOMOHO Store on Amazon