Features: The universal mini ir remote controller adapter eliminating compatibility barriers for controlling tvs, air conditioning, projectors, and 95%+ home appliances. Its pocket sized design combines aluminum shell for durability, silicone grip for comfort, and PC encasedly electronics for reliable signal transmission. Ideal for multiple device owners using smartphones who need portable control over household electronics during travel or daily routines. Operate air conditioners in hotel room, adjust tvs at friend homes, or manage projectors in offices, through its app with preloaded ultrared codes. Engineered for longevities, this smartphone ultrared controller adapter withstands daily wear with drop resistant metal construction and antislip ergonomics, perfect for frequent on the go use. Specifications: Component:Aluminum, silicone, PC Size: Approx.26x11.8x6.4mm Color:Purpleness/Silver Weight; 20g. Transmission frequency: 38Khz 56Khz. Package Includes: 1 Set Ultrared Remote Controller Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.