Stoga Tsong Headset ST-024 High End Sport Wireless Bluetooth Headphone Headset Earphone for Iphone Samsung HTC Champagne 100% Brand New and High quality from Stoga , sold by L.JAQUONICS ONLY! Wireless bluetooth sport headset with Echo cancellation and noise suppression, great for exercise at the gym and outdoor activities Waterproof for use and enjoy outdoor activity without worrying weather condition,but DO NOT SUBMERGE IN WATER OR PUT IT UNDERWATER Built-in microphone for handsfree phone calls and convenient to you to nswer, end and reject phone call freely One size fits all - Sport design wraps behind the ears and sits comfortably on the back of your neck Volume adjustment