Sharper Image SBT615-2GY Two Wireless Bluetooth 4.0 Speakers, Works Together as Stereo or Separately (GREY) Bring outstanding audio technology into your home with the CARINA Bluetooth Speaker Duo from Sharper Image True Stereo technology allows you to use them as a pair or individually with any Bluetooth enabled device, including iPhone, iPad, Android smartphones & Tablets Use the speakers as a set to produce a stunning surround sound, or use a single speaker for a great sound in less space The built-in handles make the CARINA Bluetooth Speaker Duo ideal for easy carrying and transport A great choice for both indoor and outdoor use, these rechargeable speakers go wherever you go