Sades D201 4.1 Bluetooth Headset Stereo Gaming Headphones with Mic Jack on Ear for PC Laptop and Other Smart Phones(BlackBlue) High Quality Bluetooth.Intelligent power saving mode,low power consumption design, built-in lithium battery works over 10 hours continually. Pure digital sound double decoding system, featuring rich sound and low pitch; it plays files of multiple formats. Automatic number reporting when there is incoming call. Unique over-the-ear design, portable and lightweight, with three multifunctional key, simple and easy to use. Soft cushion head-pad and ear-pad, comfortable! Portable design and lightweight, with three multifunctional key, simple and easy to use.Compatible with All Bluetooth-enabled PC Laptop Samsung and Other Smart Phones MP3 / 4 Etc. High signal to noise ratio bluetooth audio connection no need of any emitter, enjoy wireless music freely. Noise reduction & Echo cancellation. Automatic voice prompt for headset operation. Automatic switch between voice communication and music play.