Folable Neckband Wireless Headphone,Vodool Bluetooth 4.0 Sweatproof Noise Reduction In-ear Earphones for iPhone 6S Plus, Galaxy S6 Edge Foldable and Retractable Design: neckband is foldable,cable is retracted with no key,No need to worry the wireless headphone be broken off when put it in bags for travel or daily use Noise Reduction Function: this bluetooth headphone is with 6G CVC noise reduction function to help you enjoy high quality music and phone calls everywhere even in a noisy environment. Built in Micphone:simultaneously connect two devices to easily switch calls entertainment.The music will go automatically to pause when an incoming call comes in, and it will go back to music automatically when you hang up. Long Battery Life: this bluetooth headset is built-in battery of high performance works on supporting up to 18 hours of talking time and 16 hours of music and 300 hours of standby with a full charge. You can get it fully charged about 2-3 hours. Universal Compatibility:This Suitable for all smartphones and tablet PC, such as the iOS, Android, Windows phones and other Bluetooth enabled devices.