Buy the Best Electric Bluetooth Enabled Toothbrush that connects to your phone. BLU Toothbrush is an app enabled and guided Smart Sonic Toothbrush. BLU Smart Toothbrush comes in multiple colors. Dentist Recommended Sonic Toothbrush. Connect to your kid’s toothbrush and view on screen where they missed a spot while brushing their teeth. Parents get notified immediately showing where a child missed brushing. We strive to make Blu smart toothbrush your tool to better health.