Stoga Tsong Headset ST-023 Smart Bluetooth Wireless Sport Headset Headphone Stereo Waterproof Music earphone for Iphone,Samsung Green +Black 100% Brand New and High quality from Stoga , sold by L.JAQUONICS ONLY! The headset has been updated to be with English prompts,instead of Chinese prompts. Compatible with music players & A2DP enabled devices such as iPad, iPhone, iPod touch, Android Smart Phones, tablets, etc. Fits for iPhone 6 6Plus 5S 5C 5 4S, Galaxy Note 3 2 S4 S3 and Google,Blackberry,LG other Smartphones The Highest Standard Parameters:Bluetooth 4.0 achieves the goal of energy conservation. It also provides the great stereo sounds and clear speech with CVC noise reduction The Stable and strong signal: Bluetooth 4.0 technology,the signal strength is nearly twice times than the general bluetooth headset in the market.the signal is stable no matter you turn left/right or other directions of the body .What's more,the bluetooth wireless shutter release remote feature enable you to self stick with this headphone Sweat Proof Design: Amazing portable and lightweight wireless headset can be stay in your ears comfortablely. The material of the headset is in a sweat proof design, BUT DO NOT DIP IT IN THE WATER.Note : When bluetooth pairing ,pls kindly press the turn on& off button long for about 5~6 seconds when the headset turn off ,and then the light flashes in red and blue color-changing, it's time to pair the headset with your devices like phones.