List of safety warnings for WATER FILTER BOTTLES based on the requirements of Regulation (EU) 2023/988 on general product safety (GPSR):

1. Mechanical hazards
* Cracks or deformations of the bottle resulting from dropping or pressure.
* Cuts caused by sharp edges or damaged components (threads, seals).
* Spills or leaks resulting from improper closure or damaged seals.
* Precautions.
* Do not throw or crush the bottle.
* Regularly check the condition of threads and seals; do not use the product if damaged.
* Always screw the bottle closed tightly during use.

2. Material and chemical hazards
* Release of harmful substances into water when using low-quality materials.
* Skin irritation or allergic reactions.
* Use only materials approved for contact with drinking water (FDA/NSF certificates).
* Hypoallergenic product, but in case of skin sensitivity, it is recommended to limit contact with bottle components.
* Do not use the bottle with water containing chemicals or substances not intended for consumption.

3. Electrical and electronic hazards
* Electric shock or short circuit upon contact of electronics with water.
* Overheating or battery fire during charging or failure.
* Malfunctions in the operation of electronics or Bluetooth features.
* Do not immerse electronic parts in water; use in accordance with the manufacturer's instructions.
* Charge only with dry hands and on dry surfaces.
* Do not use damaged cables or power adapters; use only the included accessory.
* Store away from heat sources and fire.
* Do not disassemble electronics yourself.

4. Hygiene and filtration hazards
* Decrease in filter efficiency, multiplication of bacteria during prolonged use.
* Malfunction of sensors or automatic self-cleaning system.
* Replace the filter in accordance with the manufacturer's recommendations.
* Activate the automatic self-cleaning feature (e.g., PureVis cycle).
* Regularly clean the bottle and internal components according to the instructions.
* Do not use the bottle after the filter expiration date.

5. Environmental and operational hazards
* Improper use outside the temperature range.
* Access by children to the bottle with electronics and filter components.
* Degradation of materials during prolonged use or improper storage.
* Use within the temperature range specified by the manufacturer (e.g., do not use for hot beverages or freeze).
* Keep out of reach of children.
* Regularly inspect the condition of the bottle, threads, seals, and electronics; replace worn components.

6. General safety instructions
* Use exclusively as intended and in accordance with the manufacturer's instructions.
* Do not attempt to modify the electronics or filter components.
* CE-marked product – complies with EU safety requirements.
* In case of damage or doubts regarding the bottle's operation, discontinue use and contact the manufacturer.

Following the above rules reduces the risk of injury, equipment breakdown, and property damage. Ignoring them may lead to serious health and technical problems.Detailed information and additional warnings can be found in the user manual included with the product or in PDF format on the manufacturer/supplier website.