Samsung Galaxy S4 HDMI docking station is designed for GALAXY S3 & GALAXY S4 & GALAXY NOTE2. HDMI outputs,charging,data transferring and OTG function. Samsung Galaxy S4 HDMI docking station HDMI video capabilities support to full HD quality output( up to 1080P/60Hz ), connect it to HDTV to enjoy the high-definition screen. According to Universal Multimedia HDMI Desktop Dock's transmit high-definition video quality , it did exactly the uncompressed lossless no failure, display the HD effect perfectly . The OTG function supports USB external mouse , keyboard and other equipment , it likes a small computer when put it on the table and plug in peripherals. You can use the Universal Multimedia HDMI Desktop Dock to connect your flash drive with cellphone,then transferring the data,music,video between flash drive and mobile,no need connect to your PC.