Auto Mixer Bottle powered by AAA Battery. <img src="http://gdetail.image-gmkt.com/200/799/790799200/2017/6/0b555da8-22a1-4dfc-8d23-758174a64f5e.jpg" width="940" height="627"><br>450ml bottle.<br><br><br><img src="http://gdetail.image-gmkt.com/200/799/790799200/2017/6/243afe3a-9b32-4655-afc8-b7b8a409388d.jpg"><br>Please note that Battery are <strong>not</strong> included.<br><br><br><img src="http://gdetail.image-gmkt.com/200/799/790799200/2017/6/ae3eeade-1aa6-47b7-a1b1-669745f01ca7.jpg" width="940" height="627"><br>Only <strong>one</strong> color is available.<br><br>Extremely convenient bottle for your protein mix! Why shake when you can just press a button?