Features: Transforms your Type C smartphone into a universal remote controller, seamlessly controlling TVs, air conditioners, and appliances via a powerful app with 8-15m signal penetration through wall and glass. Crafted from aluminum, this pocket sized features a high performances IR module and detachable key chain for on the go convenience. Ideal for technology enthusiasts and traveler needing a small size, platform solution to replace bulky remote controls for devices across home theaters, smarthomes, and office setups. Effortlessly operate appliances from any corner of your living room, bedroom, or workspaces while maintaining precise temperature adjustments, channel switching, and device synchronization capabilities. Small and small size appearance makes it portable. Can hanging on your key chain and take it away. Specifications: Material: Aluminum Size:Approx.26mm/1.02'x12mm/0.47'x6mm/0.24' Color: Black,Silver Package Includes: 1Piece IR Remote Controller note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.