Yongnuo New Upgrading YN565EX III TTL Flash Speedlite for Canon DSLR supports firmware upgrade

YN-565EX III, it's a upgraded flash, compared to the second version YN-565EX II, we added some new functions: Hightlight: Supports Firmware Upgrade The YN565EX III is equipped with the USB interface, you can download the latest firmware from YONGNUO official website to upgrade the speedlite. High Speed Recycling System The recycling time for full output just takes 2 seconds; you can get high speed current-return experience even without using brand new batteries, which will only takes 3-4 seconds. Support the Battery Remaining Power Real-time Display The YN565EX III is equipped with the battery electric power display function, allows you to check the battery remaining capacity easily. Compatible With C and N’s Optical Transportation Wireless Slave Flash One YN565EX III can respectively accept the master unit of YN600EX-RT II、YN568EX II、YN568EX III、600EX(II)-RT、580EX II、SB910/900/800/700,Nikon internal flash and Canon commander and  wireless signal of 7D/60D/600D,realizes external TTL an