Standard:Bluetooth 5.0 Bluetooth Chipset:TI CC2640R2F Bluetooth Transmission Range:500m (open area) Free App:FeasyBeacon Support:Eddystone iBeacon AltBeacon Max of Broadcast:10 Slot Power Supply:Built-in 2*AAA(LR03) Battery Product Size:DIA61mm, H:18mm Color:White,Blue Function:Brodcasting Advertising