Mid 2015 (15") Long story short, it has been troubled with my JBL Charge 2+ wireless since last week. 1. They connect to each other with no problem. Bluetooth icon on OSX shows it is connected and speaker indicator light beams showing it is connected. 2. However, the sound comes only from the laptop regardless being connected with my speaker. I checked the sound on system preferences and also choose my JBL as the output. Both of them also disconnected automatically after less than 30 seconds. 3. However, my MBP can connect well with other bluetooth device except this very one speaker. At the same time, the speaker connects to other gadgets with no problem. Leaves me to the belief that only the connection between these 2 is troubled. 4. I tried NVRAM reset, updating to the newer OS, and remove then reconnect both, NONE helped. 5. The weird part is, I brought both devices to the Apple store, the guy connected my Macbook and speaker and they worked right away, told me that it was just the sound setting. but it still didn't work despite both of the attempts. I don't know if I should go to the Apple store again and see both of them connected with no problems, and bring them home to see the exact same issue. Can someone please help?