Fangrui Product Details [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 Gateway Can Connect Multiple Fingerbots [extremely Stable And Reliable Signal]bluetooth Single Point Mesh Signal Are Steady Enough With A Wide Coverage And Strong Wall Penetration Ability,strong Anti-interference Ability As Well, Even Featured As Low Heat Generation And Low Power Consumption. [high-level Encryption Method]the Bluetooth Hub Uses The Industrys High-level Encryption Method To Mit Information On The Wifi And Bluetooth Terminals To Ensure 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 Its Intelligent Controls For Bluetooth Devices On Smart Phones Anywhere From Anytime;usb Plug Charged And Easy To Use. Material: Plastic Color: White Package Contents: 1 X Bluet