1. Bluetooth WiFi network adapter card BCM94331PCIEBT4CAX for MacBook Pro A1278 A1286 A1297 2011 2012
2. Replace your broken or unworkable part with a new one
3. Each item has been checked and in good condition before shipping
4. Completely fit and work
5. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts
