1. Compatible phone interfaces: Type - C, Lightning, Micro - USB 2. Compatible products: iOS (Apple system), Android (Android system) 3. Application scope: For remote control of infrared appliances such as air conditioners, TV set - top boxes, and cameras 4. Infrared wavelength: 940 nanometers 5. Transmission frequencies: 38 kHz, 56 kHz 6. Gross weight: Approximately 19 grams 7. Packaging dimensions: 8.5×5.5×2.5 cm Product specifications: 1. [Controlled by mobile app] Just download an app on your phone, insert the capsule - type universal remote control, and your phone instantly turns into a smart remote control, easily controlling air conditioners, TV set - top boxes, and projectors. 2. Mini and portable: With an exquisite and compact appearance, the surface is grooved using CNC technology, offering a smooth touch and a more comfortable feel; the mini size makes it easy to carry. 3. [Plug - and - play] The Lightning interface features a fully stretched seamless design, ensuring smoother plugging and unplugging without damaging the phone. 4. [Wide compatibility] It can achieve one - key control of mainstream infrared household appliances on the market, such as set - top boxes, projectors, TV boxes, air conditioners, fans, and TVs. 5. Newly upgraded chip: It uses a brand - new fifth - generation chip, eliminating the need for Bluetooth connection. It has a faster connection speed, a longer transmission distance, and a wider angle. 6. [Exquisite and minimalist] It has a simple and stylish design. The surface is smooth and shiny, able to blend with the phone, featuring a strong sense of modern technology. Package contents: 1 infrared universal remote control