Mini Wireless Curve Bluetooth Headphones Noise Isolating Earbuds with Microphone For LG iPhone Samsung iPad Nokia HTC Laptop HD Voice(hd voice) more excellent sound quality expenence Fluent playing mulyimedia audio files-GPS,music and podcasts After full charge,it can standby for 100 hours,4 hours listening music,and 5 hours talking warm promptdriving answer/make a phone call,please wear a bluetooth headset Spiral cochlear contour design, make wearing more comfortable.