airpods effective distance is about 20 meters, more than 20 meters will appear intermittent situation, and within 20 meters, its sound transmission effect is still very good.
The transmission distance of the Bluetooth headset has nothing to do with the Bluetooth system version of the mobile phone, and the transmission distance of the wireless Bluetooth headset is mainly based on PowerClass technology.
Airpods, the earphones can be charged and separated by about five meters