BLS-B21 Bluetooth 5.2 Audio Receiver – NFC Pairing, U-Disk Playback, 3.5mm/RCA Output. This BLS-B21 adapter lets you cut the cords—add Bluetooth to any audio device in seconds. With NFC one-touch pairing, crystal-clear sound, and support for U-disks, it’s the easy way to upgrade your setup without replacing your gear.
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