Description: Three mainstream interface devices, support for Type-C, Micro USB interface, some Android phones need to turn on OTG in the settings-more settings (such as oppo, vivo phones) Compatible with 4 mainstream Apps, remote control wizard, mobile phone remote control, fingertip remote control, remote control master Plug and play, no Bluetooth connection required. 360° lamp head protection to prevent the lamp head from wearing out and causing signal weakening. Give away a key loop, easy to carry for you. Specification: Item Type: Smart App Remote Control Colour: Multicolor Material: Plastic Power supply:DC 5V/1A Communication method: WiFi+RF 433 WiFi standard: 802.11b/g/n 2.4G Battery capacity: no battery Screen size: no display Applicable objects: smart phone users Applicable platform: IOS/Android Camera: infrared lamp head Wearing method: hanging keychain Additional function: dustproof Wireless distance: 8-15m Screen material: transparent infrared PC Operation method: Operate via APP Remote control distance: 10m Size Chart: Size:42x14x8mm/1.65x0.55x0.31inch Package Includes: 1 Piece Remote Control 1 Piece Silicone Protective Cover 1 Piece Key Loop 1 Piece Chinese and English Manual 1 Piece Blister 1 Piece Color Box Note: Please allow 1-3 cm/ 0.39-1.18 inch difference due to manual measurement and 3-5 g/ 0.007-0.01lb/ 0.11-0.18oz for the difference between different colors. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!