Epple Bluetooth headset ,Universal Bluetooth Device 4.1 Music Stereo Sports Headphone for iOS Systems Apple iPhone 6 6s Plus Samsung Galaxy S6 S5 LG and other Smartphone-Blue High quality sound, compatible with more than 99% Bluetooth devices, use of virtual surround sound and heavy bass technology, full of rhythm. Support voice calls, drive / work / leisure / entertainment in the true sense to release your hands. When calling, say "yes",or reject the call to say "no", Voice answering more humanized design. Headphones with advanced multi-connection technology, you can connect two mobile phones at the same time, easily control the music player or calls function arbitrary switching between two mobile phones. Breaking the limitation about one Bluetooth can only operate one mobile phone. Super noise reduction function.Super sixth generation CVC echo cancellation and two-way noise reduction technology, effectively eliminate the noise in the environment, can close communication, provide more clear voice calls under noisy environment Smart phone automatic language number, dig out of the phone's trouble from the pocket or bag,also saves the time when driving; when calling, automatic voice number, not to miss important calls, He will reminded: "1" "0" "0" "8" "6" is calling. Close to the real voice remind function,reporting on the status of the headset.Support English and Chinese language pronunciation tips,just press the low volume keys on the pairing state can choose use Chinese or English as a voice prompt.