This Bluedio BS-2 (Explorer) Mini Wireless Bluetooth Speaker Sound System drops from $79.99 to $21.99 at Newegg Marketplace. It will ship for free from Bluedio's official flagship store. These well-reviewed speakers feature have a seven-hour battery-life, Bluetooth 4.1 with a 30ft range, built-in microphones, and toggle-able audio effects. A Silver, White or Champagne Gold color are available and there is no sales tax (except in CA, NJ, TN).