With 3.5 jack for cellphone or music and link cable while can enjoy music and communication together. NOW Free with a good quality headset bag easy to carry with and well protect this headset. The mic boom can be rotated by 360 degree so the microphone can be used for left or right side Premium noise cancelling electret microphone ensures crystal clear communication every time. Super comfortable for long time wear, let you enjoy flying all the time Use 2 x AA batteries, two new batteries can work more than 48 hours. UFQ A7 2022 version ANR Active Noise Reduction aviation headset-Compare with QC25 together with U Fly Mike A7 Could be a Small version XXXX XXX Customers commented this could be a small version of Bxxx X-20 you should know this item BUT light in weight and comfortable.