From Philips, the Sonicare 4300 Series Electric Toothbrush features:  Say goodbye to manual brushing and hello to Sonic technology Sonicare technology gently pulses between teeth for more effective brushing than manual Removes up to 7x more plaque than a manual toothbrush Pressure sensor and two intensity settings protect from over brushing 2 Minute SmartTimer with QuadPacer ensures recommended brushing time Long battery life with battery light indicator One charge lasts up to 2 weeks Built-in rechargeable Lithium-ion battery Includes:  4300 Sonicare Handle, 2 C2 Optimal Plaque Control brush heads, 1 slim travel case and USB charger Imported.