What this means
The IEEE assigned the MA-M block F4700C5 to Shenzhen Lidaxun Digital Technology Co., LTD. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting F4:70:0C:5, it is Shenzhen Lidaxun Digital Technology Co., LTD hardware.