Features 1. Advanced Compatibility Can compatible with most of bluetooth devices, such as phone or PC or laptop or tablet or MP3 or TV 2. STEREO SOUND QUALITY Headphones is passive noise isolating. Provides immersive CD-like HIFI music clear stereo sound with 40 MM larger driver and latest decode tech together 3. 10-12H Battery Life and Speed Charge: Bluetooth Headphone offers 10-12 hours of exceptional audio quality on a single charge.and continue talking time up to10 hours, standby time up to 300 hours 4. Superior Comfort Custom soft protein earmuff and adjustable headband with skin-friendly rubber layer, more durability and comfort, allow your to find the perfect fit and a long-listen comfort 5. Noise Reduction HD Mic Simple build-in control can help you handle any call, song switch, volume change, enjoy the convenience of wireless. (The mic only work in wireless mode.) 6. Foldable And Portable Design Foldable space-saving design makes it easy to carry and store when not in use or travels 7. HD Microphone: Built-in microphone and the button on the ear-cup enable conveniently control your music and your calls with ease 8. 3-in-1 Multifunction: Buy one headphone, you can experience 3 different playback modes (wireless or wired or TF card mode) to meet your daily diverse needs