Product details
HIFI Stereo Music : Crystal clear and full-range sound let you feel the music coming with details realized through B570 40mm dynamic drivers. 
LCD Screen with info track and Flashlight : Simple user interface is the LCD screen with flashlight to display the status of headphone and change modes for visual operation. 
Smart Bluetooth Phone/Music: Highly sensitive searching sensors to quick connect to your mobile phone. 
Line-in Music Play Mode: The standard 3.5mm audio jack supports line-in play mode, which can be connected to headphone to listen to music even your phone don't have Bluetooth function or the headphone is out of power. Also you can connect to your laptop, PC, iPad, or other audio players. 
Foldable Design & Comfortable Wearing Experience: the earmuffs are made of soft breathable protein leather, providing you comfortable wearing experience. 
Up to 10 hours Music Play: Removable 600mAH battery, B570 can last for up to 10 hours on a single charge for Bluetooth function.