I have seen Bluetooth modules for Arduino boards and Bluetooth transmitter modules for computers. It really depends on the application you are looking for. They do carry a lot of small parts that unless you either know what you are looking for and have the specs or ask them about specifically it would be hard to catalog or remember. It makes answering the question a challenge. Think about it like this, they carry far more actual parts than finished products and stock everything from tiny individual LED Lights, Fuses, Switches, Potentiometerss, Solder, and Insulation, Wires, Connectors, Power Adapters. PC Components, Shrink tubing and so on. It is not a huge store but there are tons of items.
Hum interesting question but yes they have some Bluetooth items but it depends on what your looking for mar vac is more of store for the electronic hobbits and professional they carry a lot of the items you will not find in Frys
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