A slide projector can be connected to the Bluetooth- Wi-Fi module, or a Wi-Fi adapter. In short, the smart phone projectors can be wireless using the Bluetooth- Wi-Fi module, or even a Wi-Fi adapter. In most smartphone projectors, the wireless Bluetooth connection projectors can connect wireless to the Internet from the device.
Slide projectors come in different varieties based on their features. Some slide projectors can be used wirelessly with Bluetooth or Wi-Fi connection.