Kans Bluetooth 4.0 Wireless Sports Headphones In-ear Running Stereo Earbuds Headsets for iPhone and Android Smartphones - Red [Aluminum Shell Button] The Multi-Function Button is made of Aluminum material with CD-striped reflect,you deserve this new fashionable design headset [Noise Cancellation] 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. Package Content: Kans Q9 Bluetooth Headset, USB Charging Cable, 3 Sets of Silicone Ear Tips and Earhooks (large, Medium,small) & Kans 12 Months worry-free warranty