ViewSonic M1 mini Plus Smart LED Pocket Cinema Projector with JBL Speaker (M1MINIPLUS) - Brightness: 120 (LED Lumens), Contrast Ratio: 500:1, Resolution: 854x480, Connectivity: Input: HDMI: 1, Audio-in (Bluetooth): 1 (BT4.2), USB Type A: 1, (USB2.0 Reader), Wifi Input: 1 (5Gn), Output: Audio-out (Bluetooth): 1 (BT4.2), Speaker: 2W Cube, USB Type A (Power): 1 , (USB2.0 - 5V/1A, , share with USB A Input)