Philips Sonicare Powerup Battery Toothbrush – Link 
This is currently at it’s best price of $9.95 on Amazon.
Note that this is an “Add-on Item” which ships with a minimum $25 Amazon order.
- Better check-ups Guaranteed Sonic Technology removes more plaque than a manual toothbrush
- Helps reduce cavities and whitens teeth
- 2 minute timer helps ensure recommended brushing time
- 2 AA Batteries Included
- #1 Recommended brand by dental professionals