A:AnswerHello,
Concerning the Wifi reception, this depends a lot on your router, the location and also the signal.
Concerning the Android/iPhone connectivity: yes it is very easy to connect
A:AnswerHello,
Yes sure! First you need to use a USB-C to HDMI cable from your phone to the projector. Concerning the sound, you can directly pair your phone to the BT speakers as your phone will be the source.
A:AnswerHello!
Yes sure you can connect via an HDMI cable
Iphone and Ipad: lightning to HDMI
Blu-Ray: HDMI
Roku: you can directly plug the Roku stick on the HDMI and USB ports