1.4 in 1 Multifunctional Headphones, Stereo BT +TF Card MP3 player + FM Radio + 3.5mm Wired Headset function.
2.Bluetooth 4.2 technology ensures strong signal and fast transmission, easy to pair with almost all Bluetooth-enabled audio devices to enjoy wireless stereo music; with 3.5mm audio jack, it can connect to a variety of music players (Such as, MP3 / MP4, etc) without BT function.
3.Noise Cancellation and high-sensitive microphone reduce ambient noise and grasp the detail of voice. You can get high quality hands-free phone conversation even on the street.
4.Built-in 240mAh rechargeable Lithium battery lasts up to 8 hours of Working Time and 160 hours standby Time.
5.Foldable and adjustable headband length, super soft earmuff, comfortable to wear and easy for storage.