In addition, this mini 4K projector also uses diffuse reflectance technology to protect your eyes from fatigue. 【5G + 2.4G WiFi & Bluetooth 5.3】The portable projector with wifi and bluetooth is equipped with 5G + 2.4G dual-band WiFi connection, no need for cables, directly connect to IOS, Android, or Windows devices via WiFi to enter wireless projection mode.
eBay