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!