Traxandco TC-Q9G Bluetooth 4.1 Wireless Sports Headphones In-ear Running Stereo Earbuds Headsets for iPhone and Android Smartphones (green) Aluminum Shell Button] The Multi-Function Button is made of Aluminum material with CD-striped reflect,you deserve this new fashionable design headset Noise isolation] Create the optimal environment for listening to your favorite tunes, reduces outside noises and enables clearer sound from microphone. You can get high quality, hands-free phone conversation even on the street or inside shopping mall. Excellent Battery Performance]Built-in 170mah battery, Up to 6 hours of continuous talking / music time and up to 150 hours of standby with a single charge, so you have less time charging and more time to enjoy the music. Comfortable Light Weight] Ultra light weight does not cause any burden to the ears, thus providing lasting wearing comfort. Lastest Bluetooth 4.1 and APT-X + EDR Audio Decode Tech: A stronger signal and greater range give you a wonderful experience. Hi-Fi Stereo Sound:CVC6.0 noise cancellation tech intelligently filters ambient noise to ensure Hi-Fi Stereo Music Sound and Strong Signal.