Main Features:

HIFI Stereo Music:

Crystal clear and full-range sound let you feel the music coming with details realized through B570 unexpected 57mm ultra-large dynamic drivers with Bluetooth4.0 and DSP noise reduction.

LCD Screen with information track and Flashlight 

Easy-of-using: 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. Automatically change into and back from voice chat when using online talking apps. 

Line-in Music Play Mode: the headphone has a standard 3.5mm audio jack support line-in play mode, you can use 3.5mm audio cable connect 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.

Built-in Concealed High Definition Sensitive Microphone, the headphone itself has a answer incoming phone calls' button to pick up phone call, wireless hands free talking.

Support TF Card Play & FM Radio Function: by inserting a micro-SD card with songs into card slot on the wireless headphone, you can enjoy music without using Bluetooth function also; fm radio function, allowing you to listen to radio anywhere, anytime ( note: fm radio may not work in several countries ) .

Foldable Design & Comfortable Wearing Experience: the headphone is 198g only, foldable and easy to carry; the head beam made of high quality artificial leather, earmuffs are made of soft breathable protein leather, providing you comfortable wearing-on experience.

Up to 10 hours Music Play

Built-in 400mAH battery, S1 can last for up to 10 hours on a single charge for Bluetooth function with 5 hours charge.

Lower Power Consumption, Superior Compatibility, compatible with almost all the mobile phone, tablet pc, notebook, any devices with Bluetooth function or has a 3.5mm audio jack.