The Mega AMP (a larger version of the Phone AMP) is a hand made, all wooden speaker for your cell phone. This version of the AMP is larger enough accomodate the larger phones like the Samsung Galaxy and IPhone plus models. Perfect for camping, picnics, any place you want volume but don't have electricity. We custom build this device to fit any modern cellular phone (The photo shows the device fitting an Iphone 5s) . Please specify your phone make and model plus your preference in wood when you order. Hand crafted entirely from wood. Your choice of either Maple, Cherry, Mahogany, or Poplar. No batteries required. Dimensions: 6" wide, 3.5" tall, 3 " deep Please note that the Phone AMP is built to the specifications of your phone. you will need to specify the make and model of your phone. If you want the AMP fit a phone with a case, please provide accurate dimensions. Please note: phones with a rear speaker (Samsung) must be put into the AMP backwards Cellular phone not included.