FeaturesUnique design fits your auditory meatus perfectly.HD microphone make call clearly and loudly.Powerfull compatiblities:the headphone compatible with most bluetooth devices on the market.Accept/Deline/Hang up a phone call.Noise reduction.Can be connected by two phones at the same time.What's in the box1 x Mini Headset/Earphone1 x USB Cable /Charging Cable                     1 x Charging Box 3 x Earbuds1 x User Guide