Oral-B Pro 5000 Bluetooth toothbrush review: Don’t buy it for its Bluetooth feature

There was a time when Bluetooth was a technology in search of a purpose. Now you’ll find the wireless protocol in everything from smartphones to speakers, headphones, light bulbs and yes, even toothbrushes. The smartphone app for Oral-B’s Pro 5000 electric toothbrush makes a game out of brushing your teeth, and that could encourage one person