【Compatibility】Only fit for Bose QC15 and QC2 headphones (For Bose QC2 headphones, the 3.5mm jack must be the same as the second picture, other jacks of Bose QC2 couldn't work with our Bluetooth adapter.) Don't fit for Bose QC25 headphones.
【Support aptX】This wireless bluetooth adapter supports aptX which gives you a near-lossless music. Please note that aptX technology is available when the paired device also supports aptX.
【Advanced Bluetooth 5.0】Faster transfer speed, better sound transmission, pairing with IOS and Android smart phones in a short time.
【Professional Design】Built-in Mic could pick up your voice clearly and gives you a good communication experience. Three buttons on the adapter make it easy for play/pause, answer/drops calls and volume adjustment. No need to remove the adapter from your headphones when charging.
【Warranty】If there were any issue for the product, please feel free to contact us for the warranty.