Product Features: 1). Bluetooth 4.1+EDR & CSR8615 Chipset: Adopt The Bluetooth 4.0 CSR Chipset, Lower Power Consumption, Superior Compatibility, Compatible For Almost All The Mobile Phone, Tablet PC, Notebook, Any Devices With Bluetooth Function Or Has A 3.5mm Audio Jack.2). HiFi Powerful Bass Stereo Sound Effect: 40mm Titanium Diaphragm speaker drivers, Tuned By Professtional Team, Deep Bass Stereo Sound, enjoy the Wireless high quality music..3). Support TF Card Play & FM Radio: The Headphone Has A TF Card Slot, You Can Insert A Micro-SD Card With Songs To Play Music; Has FM Radio Function, Allowing You To Listen To Radio Anywhere, Anytime ( Note: FM Radio May Can& 39;t Work In Some Foreign Countries ) .4). Smart Handsfree Talking: Built-in Concealed High Definition Sensitive Microphone, The Headphone Itself Has A Answer Incoming Phone Calls& 39; Button To Pick Up Phone Call, Wireless Handsfree Talking.5). CVC6.0 Noise Cancelling: Acoustic echo cancellation and noise reduction effectively reduce ambient noise while talking, make far-end listener cannot hear what you said become history, just like talking face to face.6). Line-out Music Play Mode: Has A Standard 3.5mm Audio Jack Support Line-out Play Mode, You Can Use 3.5mm Audio Cable Connect To Headphone To Listen To Music Even Your Phone Don& 39;t Have Bluetooth Function Or The Headphone Is Out Of Power.7). Comfortable Wearing Experience: Foldable Design, The Headphone Is Super Lightweight, Based On Ergonomic Design, Earmuffs Are Made Of Soft Breathable Protein Leather, Providing You Comfortable Wearing-on Experience.Colour: Black silver, black, black gold , black gray, silver, white bluePackage Contents: 1 x Wireless Headphone