UNIQUE GRAVITY BALL DESIGNDeep clean the inside of the oral cavity from 360as for this innovation design. Thoroughly wash and clean your teeth, gums, and tongue with this water flosser2500MAH LONG BATTERY LAST Given its compact size, this water flosser will easily fit inside your backpack, handbag, or luggage. 2500mAh long battery life can be used continuously for 60 days to satisfy all your travel timeWATERPROOF & LARGE TANK DESIGN IPX7 waterproof desgin can be used in the shower. 300ml detachable large water tank provides a thorough wash and clean for your teeth, gums, and tongue5 CLEANING CUSTOMIZE MODES 5 cleaning modes and 40-140 PSI strong pressure range for your dental care needs. Use it for gently removing food particles in between tightly spaced teeth with low noise