Collapsible 210310 ml Tank slide-to-lock design extends for 75 sec full-mouth clean, retracts to pocket-size 225×70×61 mm; no-spill silicone seal fits cup-holder or toiletry bag. 3 Pressure Modes on LCD Soft 60 psi for sensitive gums, Normal 75 psi for daily clean, Pulse 90 psi for massage; screen counts down battery & quadrant timerfool-proof for kids & adults. 40-Day Battery & USB-C 4 000 mAh cell delivers 80 uses per charge; juice up from phone charger, power bank or laptoptrue cordless freedom for travelers, students & small bathrooms. 4 Color-Coded Tips Included classic jet, orthodontic, periodontal pocket, tongue cleanersnap-in 360° rotation cleans braces, implants, crowns and bridges 3× better than string floss. IPX7 Waterproof & 55 dB Quiet rinse entire unit under tap or floss in the shower; diaphragm pump hums softer than an electric toothbrushmorning or night without waking family or dorm mates.