But if you only need BT (and/or already have wifi), then a BT only adapter (USB BT dongle) is all that is needed. While you certainly can get a combo device (BT and wifi together) as they are quite common and often used because they only use up one USB port. So I bought the BT 5.0 which is backwards compatible to 4.x.Ĭlick to expand.Rei is right on both counts. I had two BT adapters on hand, but one was V2.x and the other V3.x and my new mouse required BT V4.0 - 4.2 or above. So sepheronx is most likely on the right track and the OP needs to buy a Bluetooth adapter dongle to add BT to his computer.īTW, I just went through the same thing on this computer and added this BT adapter (from Amazon "USA") to my system. This means even if current dongle is BT, it may not support adding additional devices. This is so you can have 10 identical keyboards and mice in the same room tied to 10 different computers and and they do not interfere with each other. Plus, many dongles are tied to specific devices. Many mice and keyboards use a different RF system - like many wireless TV remotes that are not Bluetooth. Bluetooth is a trademarked RF system that uses specific frequencies and protocols. Click to expand.While he may have a "dongle", as Caring just beat me to it noted, those often are not "Bluetooth" but another type of RF (wireless) system.
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