[Plug and Play] No need to charge, through the APP, your smartphone can change into a all-in-one remote control, bringing more convenience to your smart life! [Wide Application] Suitable for most of your home appliance, like TVs, air conditioners, celling lights, fans, projectors, cameras, etc. [Large Transmission Range] Strong and reliable IR signal, 8-15 meters large working distance, giving you more movement freedom. [Lightweight & Durable] Made from premium aluminum alloy, impact-resistant and durable; comes with a protective sleeve for preventing the remote control from abrasion. Specifications: Color: Black, silver, grey (optional) Material: Aluminum alloy & ABS Interface: Micro USB, type-c, and replacement for iOS (optional) Product Size: 3.1 * 1.1 * 0.6cm/ 1.2 * 0.4 * 0.2inch Product Weight: 3.9g/ 0.13oz Note: The smartphone showed in the pictures are not included. Some mobile phones may need to open OTG function manually. Working distance may varies from different home appliances. Package List: 1 * Remote Control  1 * Ring Buckle 1 * Protective Sleeve