The Waterpik ION Cordless Water Flosser (WF-11CD010-1) provides maximum performance with cordless convenience. The rechargeable cordless design eliminates clutter, and with a 30% smaller size than traditional plug-in models, ION is exceptionally compact. ION delivers full-size cleaning performance and pressure, and its rechargeable lithium-ion battery lasts up to 4 weeks per charge. It also features on/off water control on the handle, a convenient magnetic handle cradle, and USB charger. This