Warm Tips:
1. This adapter ONLY fit for Bose QC25 headphones. DO NOT fit for Bose QC15 headphones.
2.The adapter supports a transmission distance of 10M without obstruction. If the distance is exceed or there is a solid wall in the middle, it is easy to cause the Bluetooth signal to be interrupted. After the interruption, it will prompt "paired" when reconnecting.
3. Frequent prompt sound will be made when the adapter is in low battery.
4. We kindly suggest full charge your adapter before you use it the first time.