The Phone AMP is a hand made, all wooden speaker for your cell phone. 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 Samsung Note) . 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, White Oak or Mahogany. No batteries required. Dimensions: Vary depending on your phone. Please note that the Phone AMP is built to the specifications of your phone and may not fit a phone with a third party protective cover. Cellular phone not included.