1. Introduction
Thank you for choosing the Monster S110 Portable Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it thoroughly to ensure optimal performance and longevity of your device.

Image 1.1: Illustration of Pure Monster Sound technology, highlighting dynamic audio performance.
2. Package Contents
Ensure all items are present in the package:
- Monster S110 Portable Bluetooth Speaker
- Charging Cable (USB-C)
- User Manual
3. Product Overview
The Monster S110 speaker features a compact design with integrated controls and multiple connectivity options.

Image 3.1: Front view of the Monster S110 Portable Bluetooth Speaker.
3.1 Controls and Ports
- Power Button: Press and hold to power on/off.
- Volume Up/Next Track: Short press for volume up, long press for next track.
- Volume Down/Previous Track: Short press for volume down, long press for previous track.
- Play/Pause/Call Button: Press to play/pause music, answer/end calls.
- Mode Button: Press to switch between Bluetooth, AUX, TF Card, and USB modes.
- USB-C Charging Port: For charging the speaker.
- AUX Input: 3.5mm audio input for wired connections.
- TF Card Slot: For playing music directly from a TF (MicroSD) card.
- USB Port: For playing music from a USB flash drive or functioning as a power bank.

Image 3.2: The Monster S110 speaker demonstrating its portable size and integrated strap.
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 (not included) or a computer's USB port.
- The charging indicator light will illuminate. It will turn off or change color once fully charged.
- Charge the speaker fully before first use to maximize battery life.
4.2 Power On/Off
- To Power On: Press and hold the Power button for approximately 2-3 seconds until you hear an audible prompt.
- To Power Off: Press and hold the Power button for approximately 2-3 seconds until you hear an audible prompt.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED). If not, press the Mode button to switch to Bluetooth mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Monster S110" from the list of devices.
- Once paired, the speaker will emit an audible confirmation, and the LED indicator will become solid.
5. Operating Instructions
5.1 Music Playback
- Play/Pause: Press the Play/Pause button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
- Next Track: Long press the Volume Up button.
- Previous Track: Long press the Volume Down button.
5.2 True Wireless Stereo (TWS) Pairing
TWS allows you to pair two Monster S110 speakers for a stereo audio experience.
- Ensure both S110 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the Play/Pause button for 3-5 seconds until you hear a TWS pairing prompt.
- The two speakers will automatically search for and connect to each other. Once connected, you will hear a confirmation tone.
- Now, connect your device to the primary speaker via Bluetooth as described in Section 4.3. Audio will play through both speakers in stereo.

Image 5.1: Illustration of True Wireless Stereo (TWS) pairing with two Monster S110 speakers.
5.3 AUX/TF Card/USB Playback
The speaker supports multiple input sources:
- AUX Input: Connect an audio device using a 3.5mm AUX cable to the AUX port. The speaker will automatically switch to AUX mode or can be selected using the Mode button.
- TF Card: Insert a TF (MicroSD) card with music files into the TF card slot. The speaker will automatically switch to TF card mode or can be selected using the Mode button.
- USB Playback: Insert a USB flash drive with music files into the USB port. The speaker will automatically switch to USB mode or can be selected using the Mode button.
5.4 Emergency Power Bank Function
The Monster S110 can serve as an emergency power bank:
- Connect your mobile device's charging cable to the USB port on the speaker.
- The speaker's internal battery will begin charging your connected device.
- Note: This function is intended for emergency use and may reduce the speaker's playback time.
5.5 Lighting Effects
The speaker features 6 full panel lighting effects. Press the Light button (if available, or a combination of existing buttons, refer to quick start guide for specific button) to cycle through different lighting modes or turn them off.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker. Do not use abrasive cleaners or solvents.
- Water Resistance: The speaker is IPX5 waterproof, meaning it can resist water splashes and light rain. Do not submerge the speaker in water. Ensure all port covers are securely closed before exposure to moisture.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To preserve battery life, charge the speaker at least once every three months if not in regular use.
7. Troubleshooting
- Speaker does not power on: Ensure the battery is charged. Connect the speaker to a power source and try again.
- Cannot pair via Bluetooth: Make sure the speaker is in Bluetooth pairing mode. Ensure Bluetooth is enabled on your device and it is within range. Try unpairing and re-pairing.
- No sound: Check the volume level on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, AUX, TF, USB) is selected.
- Sound distortion: Reduce the volume on both the speaker and your device. Ensure the speaker is not too far from the connected device.
- TWS pairing fails: Ensure both speakers are fully charged and not connected to any other Bluetooth devices before initiating TWS pairing.
8. Specifications
| Model Name | S110 (2MNSK1783B0L2) |
| Speaker Type | Portable Bluetooth Speaker |
| Connectivity | Bluetooth 5.3, AUX, TF Card, USB |
| Output Power | 80 Watts (single speaker), 160 Watts (TWS pairing) |
| Woofer Diameter | 5.25 Inches |
| Water Resistance | IPX5 |
| Battery Life | Up to 24 Hours (at moderate volume) |
| Power Source | Corded Electric (for charging), Battery Powered |
| Product Dimensions | 4.3"D x 4.3"W x 5.9"H |
| Item Weight | 0.54 Kilograms (1.2 pounds) |
| Included Components | Speaker, Charging Cable |
9. Warranty and Support
The Monster S110 Portable Bluetooth Speaker comes with a Limited Warranty. For detailed warranty information, product support, or service inquiries, please visit the official Monster website or contact their customer service department. Keep your purchase receipt for warranty claims.
Online Support: Visit the Monster Store on Amazon







