· Powerful Dual Water Flow for Comprehensive Cleaning: COSLUS 2-pack water flosser is dentist-recommended and delivers multiple cleaning modes for stain removal and fresh breath maintenance. Designed for family users, sensitive gums , braces wearers and orthodontic patients. 0.3mm+0.3mm ultra-fine double-line technology provides a gentle yet thorough clean, say goodbye to bad breath and gingivitis, and enjoy a healthier smile· Say goodbye to Frequent Water Additions: COSLUS water dental flosser bundle features a 300ml super-large water tank, doubling the capacity of standard models. Designed for family sharing and extended use, it ensures uninterrupted cleaning sessions. The BPA-certified material guarantees safety for pregnant women, teen, and elderly users. Choose COSLUS oral irrigator set for a seamless, efficient, and safe oral care experience at home or on the go· 30-Day Battery & Portable Design for Travel: Designed for travel enthusiasts and small bathroom users, COSLUS water dental flosser boasts a 30-day battery life with just 3 hours of fast rechargeable. Its compact and cordless design makes it perfect for small spaces and on-the-go use. Whether you're at hotel, gym, or trip, the USB charging feature ensures you can care for your oral health anytime, anywhere· IPX7 waterproof and more durable: COSLUS 2-pack water dental flosser is built to last with IPX7 waterproof protection, allowing you to maintain stable oral hygiene even in the shower. The upgraded motor ensures 3 years of reliable performance, making it a durable choice for oral health-conscious users and eco-friendly consumers. Whether you're caring for implants, dentures, or orthodontic braces, COSLUS delivers consistent, high-performance cleaning· Value-2 packed Ensemble: COSLUS water dental flosser 2-pack is a cost-effective choice for couples and families, offering exceptional value with two devices in one set. Equipped with 5 multi-functional nozzles, it meets diverse cleaning needs, from teeth whitening to gum care cleaning. Whether you're seeking a dentist-approved option or a thoughtful way to show you care for loved ones, COSLUS provides high-quality oral care, bringing you and your loved ones a new oral health journey· Note: a, Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If needed, get from COSLUS. b, For first-time use, set to 'Soft' mode and keep your mouth closed to let your gums gradually adapt to the water pressure. c, Packaging may vary (new or old), but the contents are exactly the same.