Kawiyiiiss Bluetooth Headset Hifi Wireless Sport Stereo Headsets Noise Cancellation Headphone Neckband Handsfree Earphone with Microphone for Iphone Android Phone (black) Unique around-the-neck design that's lightweight and comfortable for all-day use Exceptional audio with noise suppression and echo cancellation SBC, MP3 and ACC decoder support Can connect 2 bluetooth device at same time Up to 10 hours of talk time