Rienok S4 Portable Bluetooth Speaker
Model: S4
Package Contents
The package includes:
- Bluetooth Speaker
- Charging Cable
- AUX Cable
- User Manual
Technical Specifications
| Feature | Specification |
|---|---|
| Bluetooth Version | 5.3 |
| Transmission Distance | 10m |
| Output Power | 5W |
| Input | 5V ⎓ 1A |
| Micro SD Card Support | FAT32, up to 32GB |
| Supported Audio Formats | MP3/WAV |
Button Description
The speaker features four main buttons:
Power Button
- Long press 3s: Power On/Off.
- When powered on: Click to switch mode (Bluetooth/TF/AUX). Double-click to change light effect.
- Reset: Press and hold for 8 seconds.
Play/Pause Button
- Incoming call mode: Click to answer/hang up; Long press to reject the call.
- Double-click to call back.
- Music playback mode: Short press to play/pause.
- When the device is on, long press to pair two speakers (TWS).
Volume Down / Previous Song Button (-)
- Short press: Decrease Volume.
- Long press: Previous Song.
Volume Up / Next Song Button (+)
- Short press: Increase Volume.
- Long press: Next Song.
Diagram: A visual representation of the speaker's top panel showing the four buttons labeled 1 (Power), 2 (Play/Pause), 3 (Volume Down/Previous), and 4 (Volume Up/Next).
Indicator Lights
Power Indicator Light (5):
- Charging: Red Light.
- Fully Charged: Light Off.
Battery Indication:
- ≥75%: Green Light
- 55%~75%: Yellow Light
- 20%~55%: Orange Light
- 10%~20%: Red Light
- <10%: Red Light flashes slowly.
Connection Status Indicator (6):
- Not connected: Indicator light flashes quickly.
- Connected: Indicator light is always on.
- Playing Music: Indicator light flashes slowly.
Ports
The speaker features the following ports on its side:
- 7. AUX-in Port
- 8. Micro SD Card Slot
- 9. Type-C Charging Port
Diagram: A close-up view of the speaker's side panel showing the AUX, TF (Micro SD), and DC 5V (Type-C) ports.
Operating Tips
- To connect via Bluetooth, search for "Rienok S4" on your device.
- Mode switching sequence: Bluetooth → TF Card Mode → AUX Mode.
- The speaker will automatically turn off after 15 minutes of Bluetooth disconnection.
True Wireless Stereo (TWS) Function
To use two speakers in TWS mode:
- Turn on both speakers.
- Ensure neither speaker is connected to a mobile device via Bluetooth.
- Select one speaker (the host). Long press its Play/Pause button for 2 seconds until you hear a prompt tone, indicating it has entered search mode.
- After successful pairing, the indicator light of the main speaker will flash, and the indicator light of the secondary speaker will remain constantly on.
Diagram: Illustrates turning on speakers, then pressing the play button for 2 seconds, followed by images of two speakers showing successful TWS connection status.
Q&A
- Q: What are the supported SD card and song formats?
- A: SD card format: FAT32, maximum 32GB. Song format: MP3/WAV.
- Q: How to switch the light effect?
- A: Double-click the Power button to cycle through light effects (e.g., breathing light, steady light, light off).
- Q: How to restart the device?
- A: Method 1: Press and hold the Play button for 8 seconds. Method 2: Use a reset pin to briefly press the reset switch inside the AUX port.
- Q: Why are the RGB lights not turning on?
- A: The RGB lights can be turned on/off manually. Double-click the Power button to activate the lights.
- Q: Why is the speaker volume low when connected via Bluetooth?
- A: Please check if the Bluetooth volume sync feature is enabled on your mobile device and adjust the music volume accordingly.
- Q: Can I use a fast charger?
- A: Use only a standard 5V/1A charger. A fast charger may damage the battery.
After-Sales Service
For any questions during use, please contact Rienok customer support.
Website: http://www.rienok.com
Email: support-uk@rienok.com
Disposal Information (EU)
a) Product: Electronic devices are valuable materials and should not be disposed of with household waste. Dispose of the product at the end of its service life according to applicable legal regulations. Remove any included batteries/rechargeable batteries and dispose of them separately from the product.
b) Batteries / Rechargeable Batteries: As a consumer, you are legally obliged (Battery Ordinance) to return all used batteries/rechargeable batteries; disposal via household waste is prohibited. Batteries containing hazardous substances are marked with the symbol shown next to it, indicating the prohibition of disposal via household waste. The designations for the relevant heavy metal are: Cd=Cadmium, Hg=Mercury, Pb=Lead (the designation is on the batteries/rechargeable batteries, e.g., under the waste bin symbol shown on the left). You can return your used batteries/rechargeable batteries free of charge at collection points in your community. This fulfills your legal obligations and contributes to environmental protection.
Diagram: Symbol of a crossed-out waste bin.
