Amazon.com: Mini Movie Projector with 1080P Supported, Portable Video Projector for Laptop/Phone, Smart Led Pocket Home Theater with HDMI USB AV VGA AUX Interfaces/TV Stick and Remote Control (Black)
XGIMI | Halo+, portable projector with built-in battery
Projector Max™️ HD | ION Audio
ViewSonic M2W
Very small vintage Cabin Erno (travel) slide projector - 1960 - Switzerland - Catawiki