Bingle Wireless Bluetooth Adapter for Bose QuietComfort 15 Headphones, Bluetooth Receiver for Bose QC15 with Microphone/Remote Volume Control Upgrade Your Bose Headphone: With the Bluetooth Adapter,Connect to your Bose QuietComfort 15 Headphones, adapt audio systems with bluetooth capability, to stream music wirelessly, still enjoy the noise cancellation feature of the headphones Apple & Android Compatible: Wireless bluetooth adapter can connect two mobile phones at the same time with Bluetooth 4.0 techonlogy, great for both Apple and Android Smartphones Multifunctional Bluetooth Headphone Adapter: Built-in microphone can pick up your voice clearly when making calls, allow for easy play/pause, answer/drop phone calls and volume adjust, makes switching from phone calls to music a breeze Long Battery Life: Bose QC15 bluetooth adapter can be worked up to 10 hour streaming of audio or talk, with Universal micro-USB charging cable, you never need to remove the unit from your headphones Package Included: 1 X Bose headphone adapter,1 x User Manual, 1 x Audio Cable, 1 x USB Charging Cable, 18-month warranty supported if there is any problem with this product