Built-in microphone,support digital signal processing and echo cancellation technology.
Bluetooth wireless transmission protocol supports up to 10M high quality stereo music.
Auto change between calls and music.Your headphone will automatically change to calling mode when calls are coming in even if you are listening to music.You can insert your memory card and it will play all the tracks on it.This model is compatible with iPhone,iPod,all mobile phones,tablets,laptops etc.
Playing Time:4-6 hours after each recharge.
Charge port:Micro USB.