Fairywill USA via Amazon offers its Fairywill Rechargeable Electric Toothbrush in Black for $25.99. Coupon code "PSPGRJUS" cuts it to $15.59. Plus, Prime members bag free shipping. That's $4 under our mention from two weeks ago and the lowest price we could find by about $16. It features a smart timer, five modes, and includes three toothbrush heads. Deal ends November 30.