The Qmobile E4 is just like other phones, it has Dual SIM and Bluetooth. Yet there is a feature that makes it standout, it’s not the 2.4” screen or its design nor does the speaker do you justice. It has it’s disadvantages, a rather long list but yet the feature it has covers for all these. The Qmobile E4 is the best battery backup phone hat money can buy right now. It has a monstrous 1800mAh battery that provides up to 7 days of backup regardless of usage. You can use Bluetooth, capture pictures with the Smart camera or listen and watch to music and videos all you want without being worried for it battery. Never leaving you alone in tough situations, the E4 Qmobile is your best friend that solid, in and out.