Byintek R90 Rock 1080p | 2200 ANSI | Android | 3D & 4K Support | 2 Karaoke Mics
Model Byintek R90 Rock. Byintek R90 Rock Smart Projector. Max Input Resolution 4K supported (downscaled). What makes this projector stand out is the included 2 wireless microphones, transforming it into an instant karaoke system.