为2011款Mac加装Bluetooth 4.0适配器启用AirDrop后，Magic Mouse 1能否正常工作？

Hey there! Great question—let me break this down based on hands-on experience with older Macs and Bluetooth upgrades:

First off, Magic Mouse 1 relies on Bluetooth 2.1+EDR, a "classic" Bluetooth standard. The good news is Bluetooth 4.0 (often called Bluetooth Smart) is fully backward compatible with older classic Bluetooth devices, so your Magic Mouse 1 should work just fine alongside the new adapter in most cases.

That said, there are a few key details to keep in mind to avoid hiccups:

• Choose the right adapter: Not all Bluetooth 4.0 adapters support classic Bluetooth. Some budget options only work with Bluetooth Low Energy (BLE)—the "Smart" subset of 4.0—which won’t pair with Magic Mouse 1. Look for an adapter that explicitly lists support for Bluetooth Classic or mentions compatibility with 2.1/3.0/4.0 standards. Reputable brands like Belkin or Apple’s official USB Bluetooth adapter (if you can track one down) are reliable choices.
• Set the new adapter as default: Once plugged in, your Mac might detect both the original (if still functional) and new Bluetooth radio. Head to System Preferences > Bluetooth, select the new adapter, then re-pair your Magic Mouse 1 to it. If your original Bluetooth is faulty or causing conflicts, you can disable it via System Report or lightweight third-party tools.
• Expect consistent performance: Most users report no issues with Magic Mouse 1 post-upgrade—clicking, scrolling, and battery life all stay true to normal. Occasional minor glitches usually stem from low-quality adapters, so investing in a solid one pays off.
• AirDrop and the mouse will coexist smoothly: Once your 4.0 adapter is set up (and you’re running OS X Yosemite or later, required for AirDrop on 2011 Macs), AirDrop and your Magic Mouse will work side-by-side without interfering with each other.

In short: As long as you pick a Bluetooth 4.0 adapter that supports classic Bluetooth, your Magic Mouse 1 will work perfectly, and you’ll gain the AirDrop functionality you’re after.

内容的提问来源于stack exchange，提问作者Hazel