Your favorite speaker is now partially made from recycled ABS plastic. The Whammo 2.0 Bluetooth® Speaker packs quality sound into a compact size. The battery lasts up to four hours at max volume and can be fully charged in three hours. The built-in microphone and music controls let you make or receive calls while controlling the audio. The Bluetooth® working range is 10 meters (33 feet). The speaker output is 3 Watts. The gift box is made from FSC®-certified material.