Bluetooth has a compatibility problem. Not all machines support it. If you can't recognize Bluetooth at the beginning, you can try shielding pins. If the shielding pins still don't work, you're sure that your machine doesn't support you
It can be applied to machines with chipsets above HM55 HM57 HM65 HM67 HM75 HM77 except Lenovo and HP (such as Dell ASUS Toshiba Shenzhou Benji, etc.). Of course, some small mini machines with mini PCI-E interface are basically supported
Model: AR5B225
Wireless: 2.4GHz band supports 802.11B/G/N, up to 300m, actually up to 150m
Bluetooth: the latest 4.0HS high-speed Bluetooth, downward compatible
Quantity: 1pcs