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

1. Mechanical hazards
1.1. Hazards:
1.1.1. Cracks or deformation of the bottle due to dropping or pressure.
1.1.2. Cuts caused by sharp edges or damaged components (threads, seals).
1.1.3. Spills or leaks resulting from improper closing or damaged seals.
1.2. Precautions:
1.2.1. Do not drop or crush the bottle.
1.2.2. Regularly check the condition of threads and seals; do not use the product in case of damage.
1.2.3. Always screw the bottle shut tightly during use.

2. Material and chemical hazards
2.1. Hazards:
2.1.1. Release of harmful substances into water when using low-quality materials.
2.1.2. Skin irritation or allergic reactions.
2.2. Precautions:
2.2.1. Use exclusively materials approved for contact with drinking water (FDA/NSF certificates).
2.2.2. The product is hypoallergenic, but in case of skin sensitivity, it is recommended to limit contact with bottle components.
2.2.3. Do not use the bottle with water containing chemicals or substances not intended for consumption.

3. Electrical and electronic hazards
3.1. Hazards:
3.1.1. Electric shock or short circuit upon contact of electronics with water.
3.1.2. Overheating or fire of the battery during charging or breakdown.
3.1.3. Malfunction of electronics or Bluetooth features.
3.2. Precautions:
3.2.1. Do not submerge electronic parts in water; use in accordance with the manufacturer's manual.
3.2.2. Charge only with dry hands and on dry surfaces.
3.2.3. Do not use damaged cables or power adapters; use exclusively the included accessory.
3.2.4. Store away from heat sources and fire.
3.2.5. Do not disassemble the electronics yourself.

4. Hygiene and filtration hazards
4.1. Hazards:
4.1.1. Decrease in filter performance, proliferation of bacteria during long-term use.
4.1.2. Malfunction of sensors or automatic purification system.
4.2. Precautions:
4.2.1. Replace the filter in accordance with the manufacturer's recommendations.
4.2.2. Activate the automatic purification feature (e.g., PureVis cycle).
4.2.3. Regularly clean the bottle and internal components according to the manual.
4.2.4. Do not use the bottle after the filter expiration date.

5. Environmental and operational hazards
5.1. Hazards:
5.1.1. Improper use outside the specified temperature range.
5.1.2. Children's access to a bottle containing electronics and filter elements.
5.1.3. Material degradation during long-term use or improper storage.
5.2. Precautions:
5.2.1. Use within the temperature range specified by the manufacturer (e.g., do not use for hot beverages or freeze).
5.2.2. Keep out of reach of children.
5.2.3. Regularly inspect the condition of the bottle, threads, seals, and electronics; replace worn components.

6. General safety instructions
6.1. Use exclusively in accordance with the intended purpose and manufacturer's instructions.
6.2. Do not attempt to modify the electronics or filter components.
6.3. CE marked product – meets EU safety requirements.
6.4. In case of damage or doubts regarding the operation of the bottle, 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.