Setup: Upon unboxing, ensure the device is fully charged using the provided `USB-A cable`. Attach your preferred nozzle (F1 standard or F3 quad stream) firmly to the handle until it clicks into place. Fill the reservoir with lukewarm water before use. Compatibility: This Power Flosser is designed to complement existing interdental hygiene treatments, working effectively alongside daily brushing to clean areas a toothbrush might miss. It is suitable for most users looking to improve gum health and remove plaque between teeth. Care: After each use, empty any remaining water from the reservoir. Rinse the nozzle and the reservoir thoroughly with clean water. Periodically, refer to the included instructions for more detailed cleaning and maintenance guidelines to ensure optimal performance and longevity of your device. Store in a clean, dry place, ideally using the provided travel bag for protection and portability.