[Make Fingerbot More Intelligent]Add this hub link fingerbot to Wi-Fi (support 2.4GHz) compatible with Alexa, Google Home, IFTTT and timmer control. One can connect multiple fingerbots [Extremely stable and signal]Bluetooth single point & Mesh signal are steady enough with a wide coverage and strong wall penetration ,strong anti-interference as well, even featured as low heat generation and low power consumption. [High-level encryption ]The Bluetooth hub uses the industry's high-level encryption to transmit information on the WiFi and Bluetooth terminals to network communication security and prevent malicious intrusion. [Multiple devices available]The same network supports multiple devices to work at the same time to improve network reliability;Compatible with Tuya Smart APP ensures intelligent controls for Bluetooth devices on smart phones anywhere from anytime;USB Plug and easy to use. Material: plastic Color: White Package Contents: 1 x Bluetooth hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.