1). Bluetooth V4.1 CSR8615 Chipset: The Bluetooth 4.0 CSR Chipset has lower power consumption, compatible with most mobile phones
2). HiFi Powerful Bass Stereo Sound Effect: 40mm Titanium Diaphragm speaker drivers, tuned By Professionals, deep bass stereo sound. Enjoy the wireless high quality music.
3). Integrated with multi functional control panel; functions including songs switch, volume control, play / pause, answer incoming phone calls, etc.
4). Built-in concealed high definition sensitive microphone. Receive phone calls. Wireless handsfree talking. Also has A 3.5mm Audio Jack.
5). CVC6.0 Noise Cancelling: Acoustic echo cancellation and noise reduction.
6). AUX Line-in Music Play Mode: Has A Standard 3.5mm Audio Jack.
7). Comfortable Wearing Experience: Foldable design. The earmuffs are made of soft breathable protein leather.