This IR Remoter control allows you to make your phone control the infrared . A comprehensive upgrade of the security level and the technology level of your house. Apply to all infrared , fully open the mode of intelligent remote control. With voice control function. Add set-top box remote control, click channel navigation, one key to change channels, and can also channel share. Have a TV with 1, 900 channels. Configuration synchronization, can be shared with family and friends through remote control. Application for TV, air conditioner, water heater, network box, projector, set-top box, etc. Interface Type:-USB Length: 3.8cm / 1.5 inch () How to use? Plug in the accessories to the original remote control signal to learn, unplug the accessories, with the infrared to carry out to remote control the mobile phone with infrared. Colour:Black + white Material:PC + metal Size:3.1*1.6*0.8cm Package Contents: 1* Infrared remote controller 1* Sling Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.