Features: -Compact, small size, and portable-No battery needed, powered by your cell phone, low consumption-Make an easy life, turn your cell phone into a universal remote control -All-in-One Remote controller for TV, DVD, air conditioner, TV box, projector, speaker, etc. -Simple to use, just download the App and conduct infrared matching to realize the intelligent control of the required electrical appliances. Specifications: Style: Plug-in Connector: lightning Transmission mode: Infrared Coverage Distance: 12 meters (unless obstructed) Size: 3.7 x 2 x 0.8 cm Weight: 3.5 gram How to use: Download "Uni TV Remote" app on your smartphone Plugin the USB jack Adopt infrared Appliances, Save the remote-control unit In the same way, Match a few basic buttons to bind the remote control Note: To operate this remote control, activate the OTG function of your android iOS phone firstly Package Including: 1 x IR Remote Control 1 x Lanyard 1 x Product Manual