This BT Headphone is a super companion for you during daily life and travel also as a nice gift Features Multifunctional: Equipped with features of BT connection, TF card music playing, AUX-IN wired music playing, FM radio, and hands-free call with Microphone BT Connection: With BT4.2 function, easy to pair with almost all the BT-enabled audio devices, freely to enjoy wireless music and hands-free calls. AUX-IN Function: Connect to the audio devices (such as MP3/MP4, Laptop, etc) without BT function via the 3.5mm audio cable (NOT included), If use an Aux cable to listen, please turn off the headphone firstly Long Battery Life: Built-in 250mAh rechargeable battery lasts up to 10 hours of music playing time per charge cycle Ergonomic Design: Adjustable headband length, foldable soft leather ear cushion, comfortable to wear, and easy for storage.High-sensitive Mic: HD microphone reduces ambient noises and grasps the detail of voice. You can get high-quality hands-free phone conversation.Support App: Scan the code on the box and then you can control the headphone with your mobile phone Retail box Included : NIA-Q8 headset x 1, Charge Cable x 1, User Manual x 1