ZEALOT S85-US
ZEALOT Bluetooth Speaker S85 User Manual
Model: S85-US | Brand: ZEALOT
Introduction
Thank you for purchasing the ZEALOT S85 Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker to ensure optimal performance and longevity. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1: ZEALOT S85 Bluetooth Speaker
Safety Information
To ensure safe operation and prevent damage, please observe the following precautions:
- Do not expose the speaker to extreme temperatures, direct sunlight, or open flames.
- While the speaker is IPX6 waterproof, do not submerge it in water for extended periods. Ensure the charging port cover is securely closed before exposure to water.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble, repair, or modify the speaker. This will void the warranty and may cause damage.
- Keep the speaker away from strong magnetic fields.
- Use only the provided charging cable and a compatible power adapter (5V output) to charge the speaker.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.

Figure 2: The ZEALOT S85 is designed for outdoor use with IPX6 waterproof and dustproof ratings.
What's in the Box
Verify that all items are present upon unboxing:
- ZEALOT S85 Bluetooth Speaker
- Power Cable (USB-C)
- Quick Start Guide
Product Overview
Physical Features
The ZEALOT S85 features a robust and portable design, ideal for both indoor and outdoor environments. It includes integrated handles for easy carrying and passive radiators on the sides with dynamic RGB lighting.

Figure 3: Dimensions and weight of the ZEALOT S85 speaker.
Control Buttons and Ports
The top panel of the speaker houses the main control buttons, while the rear features various connectivity ports protected by a waterproof cover.
| Button/Port | Function |
|---|---|
| Power Button | Press and hold to Power ON/OFF. |
| Play/Pause Button | Play/Pause music; Answer/End calls. |
| 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. |
| Mode (M) Button | Switch between Bluetooth, USB, TF Card, and AUX modes. |
| EQ Button | Cycle through EQ modes (Deep Bass, Vocal, Balanced). |
| Light Effect Button | Change or turn off RGB light effects. |
| Dual Pairing Button | Initiate Wireless Stereo Pairing (TWS). |
| Charge Port (USB-C) | For charging the speaker. |
| AUX-in Port (3.5mm) | For wired audio connection. |
| USB Port | For USB flash drive playback. |
| TF Card Slot | For TF (MicroSD) card playback. |

Figure 4: Diagram of ZEALOT S85 control buttons and rear ports.
Setup
Charging the Speaker
Before first use, fully charge the speaker. The battery indicator will show charging status.
- Open the waterproof cover on the rear of the speaker.
- Connect the provided USB-C charging cable to the speaker's Charge Port.
- Connect the other end of the cable to a 5V USB power adapter (not included).
- The battery indicator will illuminate during charging and turn off when fully charged.
- Once charging is complete, securely close the waterproof cover to maintain IPX6 rating.

Figure 5: The ZEALOT S85 offers extended playtime and multiple input options.
Operating Instructions
Power ON/OFF
- To power ON, press and hold the Power button until the indicator light illuminates.
- To power OFF, press and hold the Power button again until the indicator light turns off.
Bluetooth Pairing
- Ensure the speaker is powered ON and in Bluetooth mode (indicated by a flashing blue light). If not, press the 'M' button to switch modes.
- Enable Bluetooth on your device (smartphone, tablet, etc.).
- Search for "ZEALOT S85" in your device's Bluetooth settings.
- Select "ZEALOT S85" to connect. A voice prompt will confirm successful pairing.
- The speaker will automatically connect to the last paired device when powered on, if within range.
Wireless Stereo Pairing (TWS Function)
You can pair two ZEALOT S85 speakers for a true wireless stereo experience.
- Ensure both S85 speakers are powered ON and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), short press the Dual Pairing button. It will emit a prompt sound.
- The two speakers will automatically search and pair with each other. A confirmation sound will indicate successful TWS pairing.
- Once paired, connect your device to the primary speaker via Bluetooth as described in the "Bluetooth Pairing" section.
- To disconnect TWS, short press the Dual Pairing button on either speaker.

Figure 6: Two ZEALOT S85 speakers can be paired for enhanced stereo sound.
EQ Modes
The speaker offers three customized EQ modes to suit your audio preference:
- Deep Bass: Enhances low-frequency sounds for a powerful bass experience.
- Vocal: Optimizes mid-range frequencies for clear vocal reproduction.
- Balanced: Provides a neutral and well-rounded sound profile.
Press the 'EQ' button to cycle through these modes.
Multiple Playmodes (USB, TF Card, AUX)
In addition to Bluetooth, the S85 supports playback from various sources:
- USB Playback: Insert a USB flash drive into the USB port. The speaker will automatically switch to USB mode and begin playing compatible audio files.
- TF Card Playback: Insert a TF (MicroSD) card into the TF card slot. The speaker will automatically switch to TF card mode and begin playing compatible audio files.
- AUX-in Mode: Connect an audio device using a 3.5mm AUX cable to the AUX-in port. Press the 'M' button to switch to AUX mode if it doesn't switch automatically.
Light Effects
The speaker features dynamic RGB lighting on its passive radiators. Press the Light Effect button to cycle through different lighting modes or to turn the lights off.
Video 1: Demonstration of the ZEALOT S85 Bluetooth Speaker's features, including sound and light effects. This video is provided by the seller, YOUPIN-US.
Maintenance
Cleaning
Wipe the speaker with a soft, dry, lint-free cloth. Do not use harsh chemicals, cleaning solvents, or strong detergents.
Storage
Store the speaker in a cool, dry place away from extreme temperatures and direct sunlight. If storing for an extended period, charge the battery to approximately 50% every three months to prolong battery life.
Battery Care
The speaker contains a built-in rechargeable Li-ion battery. To maximize battery lifespan:
- Avoid fully discharging the battery frequently.
- Avoid leaving the speaker connected to power for prolonged periods after it is fully charged.
- Do not expose the battery to high temperatures.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not turn on. | Ensure the battery is charged. Connect to a power source and try again. |
| Cannot pair with Bluetooth device. |
|
| No sound or low volume. |
|
| Sound distortion. |
|
| TWS pairing fails. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | S85 |
| Brand | ZEALOT |
| Speaker Type | Outdoor, Portable Bluetooth Speaker |
| Connectivity Technology | Bluetooth 5.3, Auxiliary, USB, TF Card |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 50W (60W Peak) |
| Frequency Response | 200000 Hz |
| Battery Capacity | 7.4V/4000mAh (equivalent to 3.7V/8000mAh) Li-ion |
| Water Resistance Level | IPX6 Waterproof & Dustproof |
| Product Dimensions | 4.13"D x 10.12"W x 6.1"H |
| Item Weight | 3.3 pounds (1.5 Kilograms) |
| Control Method | Touch Buttons |
| Special Features | Bass Boost, Portable, Waterproof, Stereo Pairing, EQ Modes, RGB Lights |

Figure 7: Internal components showing the 40W woofer and 20W tweeter for enhanced sound.
Warranty and Support
The ZEALOT S85 Bluetooth Speaker comes with a Limited Warranty. For detailed warranty terms and conditions, please refer to the Quick Start Guide included in your package or visit the official ZEALOT website. For technical support, troubleshooting assistance, or warranty claims, please contact ZEALOT customer service through their official channels.
Visit the official ZEALOT Store: ZEALOT Store on Amazon