Best Power Bank

Basic knowledge of power bank What is Power Bank? Power bank serve as an extra battery' or external charger for your phone or other electronic devices. It is a portable power source built of rechargeable battery, packed in a small case that can be carried in a handbag or purse. It has at least one input for charging and another recharging port that can be connected to a standard USB cable that can recharge portable electronic devices like smartphones, media players and tablet PCs. Most of the newest power-bank models, arrive with built-in Lithium polymer battery, which known by high efficiency and long lifetime. The capacity of power packs is measured by mAh and can reach 20,000 to 30,000mAh.   Why do we need portable power source? Well... the answer is that, the need of an accessible power source is vital for our daily survival. The average adult carries with him at least two electronic devices like smartphone, digital camera, MP3, laptop and tablet PC. And the tru...

Hi, I am Allen. I do not like take selfie pictures buti think i can give some suggestion for cool photo editing apps that suitable for iPhone photographers. Snapseed Sometimes there is a problem with the composition, but the picture is smaller and you are forced to erase the scene that you might like by cropping and rotating the photo. Then you should try the deformation tool of Snapseed, we can use vertical mode, horizontal mode or rotation mode after into the deformation process to adjust the 3D stereo perspective of the photo, such as change the original look directly of photography to the angle from the top-down shooting. We can set the brightness, exposure, color temperature, saturation and other different brush in the brush tool, and then brush the photo by your finger to smear any small place on the photo, you can change the effect of the place alone as if you were painting in every detail on the picture. You do not need brighten or color a whole photo by using brush ...