... reasonable price quick delivery Mini DLP Pocket Projector HDMI 1080P Backup Battery Charger Case for iPhone / phone Specification:1. Product definition:1, It is a ... DLP shadow casting technique, and it support HDMI signal support.2, It is able to WVGA project, it built in ... 3,it built in high-capacity rechargeable battery , it can use directly or to bebackup battery by USB port to chare the device2 ...