1. Important Safety Information
Please read all instructions carefully before using this product. Keep this manual for future reference.
- Do not use if you have a heart condition, epilepsy, or are pregnant. Consult a medical professional if unsure.
- Keep away from children.
- Do not immerse the main unit in water. The device is IPX8 waterproof, but the charging port should be kept dry.
- Do not use with a damaged cord or plug.
- Unplug from the power source before cleaning.
- Allow to dry completely before storing.
- Do not use with a damaged nozzle.
- Always follow the instructions provided with the product.
2. Product Overview
The KIWIBIRD Mini Water Flosser C1 is an ultra-portable cordless oral irrigator designed for effective plaque removal and improved gum health. It features advanced UVC sanitization and multiple cleaning modes.
Key Features:
- Compact & Portable Design: Retractable design, weighing only 230g and folding to 5.85 inches, ideal for travel.
- Long Battery Life: 1100mAh rechargeable battery provides approximately 30 days of use on a single charge. Features a Type-C charging port.
- Advanced 360° UV-C Sanitization: Enhances cleanliness of the tank, pipes, and nozzles with a smart 90-second timer.
- Deep Cleaning: Delivers 1800 ultra-fine water pulses per minute with a pressure range of 40-120 PSI for effective plaque removal and fresher breath.
- Personalized Flossing: 3 pressure modes (Gentle, Normal, Strong) and 4 interchangeable tips with 360° rotation. Includes a 3-second gradual pressure build-up for sensitive gums.
- Upgraded BPA-Free 230ML Water Tank: Detachable, leakproof, with dual water inlets for easy cleaning, drying, and refilling.
- IPX8 Waterproof: Safe for use in the shower with an ergonomic, textured handle and built-in filter.
Product Images:









3. What's in the Box
Your KIWIBIRD Mini Water Flosser C1 package includes:
- KIWIBIRD Mini Water Flosser C1 Unit
- 3 Interchangeable Nozzles (Standard, Sensitive, Orthodontic)
- Type-C Charging Cable
- Carrying Bag
- Instruction Manual
Unboxing Video:
Video: KIWIBIRD C1 Unboxing. This video demonstrates the contents of the KIWIBIRD C1 package, including the main unit, nozzles, charging cable, and carrying bag.
4. Setup
- Charge the Device: Before first use, fully charge the water flosser using the provided Type-C charging cable. The charging port is located on the device.
- Extend the Water Tank: Gently pull the water tank downwards to extend it from the main unit.
- Fill the Water Tank: Open the water inlet cap on the top of the tank and fill it with lukewarm water. Close the cap securely.
- Insert Nozzle: Select your desired nozzle (Standard, Sensitive, or Orthodontic) and insert it into the nozzle port on the top of the device until it clicks into place.
Setup Guide Image:

5. Operating Instructions
- Select Mode: Press the 'Mode' button to cycle through the available cleaning modes: Sensitive, Normal, Strong, and Sterilize. The indicator light will show the selected mode.
- Position the Nozzle: Lean over a sink and place the nozzle tip into your mouth, aiming the water jet at your gumline at a 90-degree angle.
- Start Flossing: Press the 'On/Off' button to start the water flow. Keep your mouth slightly open to allow water to drain into the sink.
- Guide the Water Jet: Move the nozzle along your gumline, pausing briefly between teeth. Ensure to clean both the front and back surfaces of your teeth.
- Finish: When finished, press the 'On/Off' button to turn off the device. Empty any remaining water from the tank.
Operating Modes:
- Sensitive Mode: Gentle cleaning for sensitive gums or first-time users.
- Normal Mode: Regular daily cleaning.
- Strong Mode: For deep cleaning with high water pressure.
- Sterilize Mode: Activates the UVC light for sanitization (see Maintenance section).
Product Video:
Video: KIWIBIRD Portable Water Flosser for Travel, UVC Light. This video demonstrates the features and operation of the water flosser, including its UVC light function.
6. Maintenance
- Daily Cleaning: After each use, remove the nozzle and empty any remaining water from the tank. Rinse the tank and nozzle with clean water. Allow them to air dry completely before reassembling or storing.
- UVC Sanitization: To thoroughly sanitize the tank, pipes, and nozzles, select the 'Sterilize' mode. The UVC light will operate for a smart 90-second cycle. It is recommended to use this feature every 7 days or as needed.
- Deep Cleaning the Tank: The extra-large, detachable water tank can be easily removed for thorough cleaning. Pull the tank down and then gently pull it apart from the main body with slight force. This wide-mouth design makes it easy to clean and dry, preventing water buildup and ensuring hygiene.
- Prevent Clogging: The built-in filter helps prevent clogging. Regularly check and clean the filter if necessary to ensure optimal performance.
Maintenance Video:
Video: Easy Tank Disassembly & Cleaning. This video demonstrates how to easily disassemble and clean the water tank of the KIWIBIRD water flosser.
7. Troubleshooting
- No Power: Ensure the device is fully charged. Connect the Type-C charging cable and allow it to charge for at least 4 hours for a full charge.
- Weak Water Pressure: Check if the water tank is sufficiently filled. Ensure the nozzle is securely attached and not clogged. Clean the filter if necessary.
- Water Leakage: Ensure the water tank is properly seated and the water inlet cap is tightly closed. Check if the nozzle is correctly inserted.
- Device Not Turning On: If the device does not respond, try charging it. If the issue persists, contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 5.2 x 2.5 x 1.7 inches |
| Item Weight | 230 Grams (8.11 ounces) |
| Model Number | C1 |
| Power Source | Battery Powered (1 P76 battery included) |
| Battery Capacity | 1100mAh (approx. 30 days use per charge) |
| Charging Port | Type-C |
| Water Tank Volume | 230 Milliliters |
| Water Pressure Range | 40-120 PSI |
| Water Pulse Frequency | 1800 pulses/minute |
| Waterproof Rating | IPX8 |
| Sanitization | UV-C Light (90-second cycle) |
| Material Type | Plastic (BPA-free water tank) |
| Color | Green |
9. Warranty and Support
For warranty information, product support, or any inquiries, please refer to the contact details provided in your product packaging or visit the official KIWIBIRD website. Keep your purchase receipt as proof of purchase.