This is a Feasycom Bluetooth Serial Port Tool, support classic Bluetooth SPP and Bluetooth Low Energy, friendly and minimalist designed UI, mainly features: 1 Fast way for searching and connecting with the Bluetooth devices. 2 Display the nearby Bluetooth devices’RSSI parameters during searching operation. 3 Bluetooth Communication functions: Support CRC32 Verification,HEX Send & Receive,Files’ sending. 4 OTA Upgrade, Beacon, Properities defining, BT connection test.