1. Introduction
Thank you for choosing the CASCHO S2-1 Outdoor Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it thoroughly before use to ensure optimal performance and longevity of your device. Keep this manual for future reference.
2. Package Contents
- CASCHO S2-1 Outdoor Bluetooth Speaker
- USB Charging Cable
- User Manual
3. Product Overview
Familiarize yourself with the components of your CASCHO S2-1 speaker.

Figure 1: CASCHO S2-1 Outdoor Bluetooth Speaker. This image displays the speaker's robust design, featuring a textured black grille, an integrated orange and black handle for portability, and illuminated end caps with vibrant blue and pink lighting effects. Water splashes are depicted around the speaker, highlighting its waterproof capabilities.
Controls and Ports (Typical Layout - Refer to actual product for exact placement)
- Power Button: Press and hold to turn on/off.
- Bluetooth Pairing Button: Initiates Bluetooth pairing mode.
- Volume Up/Next Track Button: Short press for volume up, long press for next track.
- Volume Down/Previous Track Button: Short press for volume down, long press for previous track.
- Play/Pause Button: Controls audio playback.
- TWS Pairing Button: For connecting two speakers wirelessly.
- RGB Light Mode Button: Cycles through light modes or turns lights off.
- USB-C Charging Port: For charging the speaker.
4. Setup
4.1 Initial Charging
Before first use, fully charge the speaker. Connect the provided USB charging cable to the speaker's USB-C port and the other end to a compatible USB power adapter (not included). The charging indicator will show the charging status and turn off or change color when fully charged.
4.2 Powering On/Off
- To Power On: Press and hold the Power Button for approximately 3 seconds until you hear an audible prompt and the indicator lights activate.
- To Power Off: Press and hold the Power Button for approximately 3 seconds until you hear an audible prompt and the indicator lights turn off.
5. Operating Instructions
5.1 Bluetooth Pairing
- Ensure the speaker is powered on and within 10 meters (33 feet) of your Bluetooth device.
- The speaker will automatically enter Bluetooth pairing mode, indicated by a flashing LED light. If not, press the Bluetooth Pairing Button.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and search for available devices.
- Select "CASCHO S2-1" from the list.
- Once connected, the LED indicator will stop flashing and remain solid, and you will hear a confirmation sound.
Note: The speaker will automatically reconnect to the last paired device if it is within range and Bluetooth is enabled.
5.2 TWS (True Wireless Stereo) Pairing
To achieve a stereo sound experience, you can pair two CASCHO S2-1 speakers together.
- Ensure both CASCHO S2-1 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press the TWS Pairing Button. You will hear a prompt, and the indicator light will flash.
- The primary speaker will automatically search for the secondary speaker.
- Once paired, you will hear a confirmation sound, and the indicator lights on both speakers will change to indicate a successful TWS connection.
- Now, connect your Bluetooth device to the primary speaker as described in Section 5.1. Audio will play in stereo through both speakers.
Note: TWS pairing only works with two identical CASCHO S2-1 speakers.
5.3 Audio Playback
- Play/Pause: Press the Play/Pause Button.
- Next Track: Long press the Volume Up/Next Track Button.
- Previous Track: Long press the Volume Down/Previous Track Button.
5.4 Volume Control
- Increase Volume: Short press the Volume Up/Next Track Button.
- Decrease Volume: Short press the Volume Down/Previous Track Button.
5.5 RGB Lights
The speaker features integrated RGB lighting. Press the RGB Light Mode Button to cycle through different lighting effects or to turn the lights off.
6. Charging
When the battery is low, you will hear an audible alert. Connect the speaker to a power source using the provided USB-C charging cable. A full charge provides up to 24 hours of playback time, depending on volume level and lighting usage.
7. IPX7 Waterproof Information
The CASCHO S2-1 speaker is IPX7 waterproof, meaning it can be submerged in water up to 1 meter (3.3 feet) for 30 minutes. This makes it suitable for use by the pool, at the beach, or in rainy conditions. Ensure the charging port cover is securely closed before exposing the speaker to water. Do not expose the speaker to saltwater or other chemicals, as this may damage the device.
8. Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place when not in use. Avoid extreme temperatures.
- Battery Care: To prolong battery life, charge the speaker regularly, even if not used frequently. Avoid fully discharging the battery for extended periods.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; device Bluetooth off; too far from device. | Ensure speaker is in pairing mode; enable Bluetooth on device; move device closer to speaker. |
| No sound. | Volume too low; speaker not connected; audio source issue. | Increase speaker and device volume; ensure successful Bluetooth connection; check audio source. |
| TWS pairing fails. | Speakers already connected to a device; not both S2-1 models. | Disconnect speakers from any device; ensure both are CASCHO S2-1 models. |
10. Specifications
- Model Name: S2-1
- Brand: CASCHO
- Speaker Type: 3D
- Connectivity Technology: Bluetooth
- Maximum Output Power: 180 Watts
- Product Dimensions: 3"D x 3"W x 5"H
- Waterproof Rating: IPX7
- Battery Life: Up to 24 hours (varies with usage)
- Mounting Type: Shelf Mount
11. Warranty and Support
CASCHO products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided on your purchase receipt or visit the official CASCHO website. Please have your model number (S2-1) and purchase details ready when contacting support.
12. Safety Information
- Do not disassemble, repair, or modify the speaker.
- Keep the speaker away from extreme temperatures, direct sunlight, and open flames.
- Do not expose the speaker to corrosive liquids.
- Use only the provided charging cable or a certified equivalent.
- Avoid prolonged listening at high volumes to prevent hearing damage.
- Ensure the charging port cover is sealed when using the speaker near water.





