博皓电动牙刷京东特惠，低至79元！

Group 1 - The core product is the Prooral electric toothbrush, which features a 60° cleaning angle for thorough cleaning without dead spots [1][3] - The toothbrush is designed with IPX8 waterproof rating, making it suitable for use in wet environments [1][3] - It offers three cleaning modes to cater to different user preferences [1][3] Group 2 - The product includes a magnetic fast charging feature with a battery life of up to 45 days [1][3] - The design incorporates aluminum alloy, providing a premium look and feel [1][3] - Promotional offers include a 10 yuan reward for following the store, a 10 yuan cashback for sharing pictures, a 7-day free trial, and a one-year free replacement policy [1][3]