USB Bluetooth Sniffer, CC2540 USB Dongle, BLE Bluetooth 4.0, CC2540EMK-USB, Configered as BLE Sniffer The device connects to a Windows PC's USB port, and is pre-loaded with the master demo application software, work with BLE Device Monitor and BTool to display services, characteristics and attributes of any Bluetooth low energy device including TI sensortag monitoring and OAD The device can be reprogrammed to be a BLE packet sniffer device and work with Packet Sniffer analyzing the BLE protocol and for software and system level debugging. Re-programming requires SmartRF05EB or SmartRF05EBLite(not included, could buy in our store) The package contains: 1x CC2540 USB Dongle, 1x quick start guide sheet, and Sniffer software avaiable for download.