Power Extender and High Quality Speaker. This gives you power to charge on the go and has built in speaker that plugs in your 3.5mm Jack and can support itself as a stand for your Smartphone or Tablet. The power extender is one power charger that stores 4000 mAh of power that means it will give you 200% of charge on your smartphone and 100% on your iPad or tablet. The power indicator panel on the front shows you how much power left on your power extender before needing recharged. Comes in Multiple colors: Blue, Lime Green, White, Pink, Sky Blue