The battery inside the flash has capability to pass 500 cycles,just like the smatphone.
<br />USB Cable Length: 24.8cm
<br />Material:Plastic + Metal
<br />LED Flash Light Size: 3.7 x 3.7 x 0.8 cm(L x W x H)
<br />Net Weight: 23g
<br />Color: White,Black,Pink
<br />Portable external flashlight with built-in 16pcs LED, suitable for low-light situations
<br />It is a mulit feature very small and handy speedlite.
<br />Can free used in smart phone and pad with iOS 7.0  Android 4.0 and Windows8 Phone system
<br />Act as a flashlight tool without connecting any devices.
<br />Provide a sharp contrast in light efficiency for DSLR.
<br />Package:1*Fill Flash Light<p> <b><b><img src="https://contestimg.wish.com/api/webimage/58d4b6dca4ff245923dbf9a9-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d4b6dca4ff245923dbf9a9-2-orgin.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d4b6dca4ff245923dbf9a9-3-orgin.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d4b6dca4ff245923dbf9a9-4-orgin.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d4b6dca4ff245923dbf9a9-5-orgin.jpg></b></b></p>