NIA S4000 Foldable Over Ear Music Headset Wireless Bluetooth Headphones Stereo Music Earphone 3.5mm AUX IN TF Card MP3 Player FM Radio with Microphone

features of BT 4.2 technology, 3.5mm Audio Port, built-in Microphone and Speaker, TF Card MP3 Player, Hands-free call, and FM Radio, the BT Headphone is a super companion for you during daily life and travel.
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 included 3.5mm cable.
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.