The Whaleon PP Bluetooth Reg Speaker wheat straw Bluetooth speaker is a made of 51% wheat straw and 49% PP material and carries Blutooth 5. 0 Technology. It features a built in 350 mAh rechargeable lithium ion battery that delivers up to 1. 5 Hours of playback time at max volume! With a 3 watt speaker output and built in music controls/microphone the Whaleon PP Bluetooth Reg Speaker Bluetooth speaker makes the perfect desktop speaker. Packaged in a gift box and delivered with an instruction manual (both made of sustainable material). Micro USB charging cable is included.