Oral-B Pulsonic Sonic Rechargeable Toothbrush for $33.51 shipped after submitting this unadvertised $10 rebate from Oral-B itself.  Here is a screenshot before the $10 rebate for your reference.  This Oral-B Paulsonic Tootbrush produces than 27,000 vibrations per minute and has a 2-minute timer to indicate when the recommended two-minute brushing time has been reached.  Most places usually have it for about $59 or more.