ADVANCED CORDLESS WATER FLOSSER: Waterpik Cordless Advanced features a 360 degree rotating tip for easy reach, even back teeth. Convenient rechargeable design with up to 4 weeks of use per charge, rapid magnetic USB charger, and LED recharge indicator GREAT FOR TRAVEL: The Cordless Advanced water flosser is portable and global voltage compatible; it includes a micro-fiber travel bag, tip storage case, and water plug for travel and use on the go