Ailihen SF888 Wireless Bluetooth V4.0 Stereo Headset Communication Earphones with Microphone,folding Earpiece with NFC Function Headphones with powerful NFC Connection - Simply tap your NFC enabled device to pair the two together. Stainless steel pull the arm, and drop anti-broken; convenient folding adjustable design, easy to carry and comfort for wearing long time.. With HD microphone, support clear phone calls communication; Music and phone controls ensure ease of use.40mm subwoofer unit crystal-clear vocals and deep bass deliver powerful sound. Can be wired to use, giving the audio cable.Ergonomic, comfortable to wear ear. Compatiable with all bluetooth devices,Cellphones,Smartphones,Ipads,and Tablets,etc.