YT100 Projector Mini Portable High Quality Beamer Outdoor Camping Smartphone Wireless Mirroring Supported Home Theater

Note that the charging head needs to use at least 5V2A

If the charging head is 5V.1A or written as 5V.2A (dashed), it may lead to five different manifestations 1. White screen after startup 2. Make a piercing sound 3. Unable to turn on the machine, or turned off after 2.3 seconds of startup 4. The remote control cannot be remotely controlled 5. Unable to connect to mobile phones, etc