Bose QC 25 QuietComfort 25 Wireless Bluetooth Adapter (QC25)~~Wireless Bluetooth Adapter for Bose QuietComfort QC 25 with Mic/Volume Control 【Adapter】This adapter perfectly coordinates with the function and appearance of Bose QC 25. You can enjoy music wirelessly and never worry about the cable getting caught on things. 【Advanced Bluetooth 5.0】Faster transfer speed, better sound transmission, pairing with IOS and Android smart phones in a short time. 【Gold-Plated Audio Connector】Different from others, our wireless adapter chooses gold-plated audio connector for better signal conductivity and extraordinary listening experience. 【Professional Design】Built-in microphone can pick up your voice clearly and ensures clear communication. Four buttons on the adapter make it easy to play/pause, answer/decrease calls, and adjust the volume. 【Charging Port】Micro USB is located in a hidden place, effectively preventing dust and damage. Before charging, remove it from your headphones. It's time to go wire-free! Fits: Bose QC 25 Packages: 1 * Wireless Bluetooth Adapter 1 * Charging Cable (Not include Bose QC 25 Headphones) -Wire-free - With this wireless Bluetooth adapter, enjoy music in a wireless world - Bluetooth 5.0 - Stable and smooth sound transmission allows you to enjoy the world of music - Fit Apple and Android smartphones - Quickly pair with any kind of smartphones, no need to worry about changes in your mobile phone - Long working time - Up to 6 hours of music or phone talk time - Easy installation - Put on in just one second - Built-in microphone - Accurately pick up your voice and ensure clear communication - Profession experience - Four action buttons on the adapter allow you to easily play/pause, answer/drop phone calls and adjust the volume