BlueSnap dongles are used to Bluetooth enable RS-232 devices. BlueSnap dongles are available in 9-pin male or female connections. These units are also available in battery powered (two AAA batteries - rechargeable or alkaline) or externally powered modules. BlueSnap Standard units are compatible with Serial Port Profile (SPP) or Human Interface Device (HID) configurations and BlueSnap Smart units are compatible with Bluetooth 4.0 (BLE). Please note HID modules are able to send data to iOS devices but can not receive data from the iOS device.