ITEM NAME:Wireless Bluetooth 4.0 Ble Cc2531 Sniffer Board Usb Interface Dongle Packet I1W1 Wireless Bluetooth 4.0 Ble Cc2531 Sniffer Board Usb Interface Dongle Packet I1W1 Board Thickness:1.6mm.Operating Frequency:2.405-2.485GHz Wireless Transmission Speed Rate:250Kbaud Power Consumption:Less than 20mA (receiving);Less than 25mA (transmission) Lead Out 8 IO Ports .Matching Firmware to Achieve Analyzer Function Color:green Material:plastic + metal Package Contents: 1 xBluetooth 4.0 BLE CC2531 Sniffer Board