The professional gadget teardowners at iFixit got their hands on Apple's new AirPods and they gave them a repairability score of 0, zilch, nada. Now, each earbud weighs only 4g - not a lot for a headphone, battery, proprietary wireless chip (Apple W1), beamforming microphones, proximity sensors and an accelerometer. An impressive feat of engineering, but Apple sealed it in tightly. Each earbud had to be sliced open and it turned out that everything inside was secured with a hearty dose of glue. A tiny battery and the antenna are snuggled up in the "stem" of the earbud, the shiny ring on...
Source: http://www.gsmarena.com/apple_airpods_disassembled_by_ifixit_given_the_lowest_score_possible-news-22267.php