What is a TF card for a Bluetooth speaker?

A Guide to SD and microSD Card Types tf card slot meaning Featuring an HDMI port, three USB ports, an SDTF card slot, as well as a USB-C PD port, it covers all your connectivity needs in one tf slot TransFlash cards were briefly called T-Flash cards prior to their launch See microSD TF Card Slot The TF card slot on the back of this Bluetooth

tf slot on bluetooth speaker TF cards are miniaturized secure digital flash memory cards TF abbreviated as TransFlash SanDisk Corporation introduced TF card in the