POMER Bluetooth Headset Universal Mini Stereo Headphone with Microphone Handsfree in-Ear Earbud Compatible for iPhone Samsung Galaxy LG PC Laptop and Other Bluetooth Device(Black) HD Voice: CVC technology based on DSP----echo cancelling and background noise cancelling. High-definition sound for you. Comfortable and secure: Two size Medical grade soft ear tips to fit your ear. 360 Degree rotation to adjust your wearing habits. Lower Power Consumption: Bluetooth V4.1+EDR(Enhanced data rate) Provide more stable Bluetooth signal and lower Power Consumption. Bluetooth headset power meter indicator in iphone and part of Android. More convenient: One headset pair with two Bluetooth-enabled devices at the same time. Free your hands from your phone.Make your life more convenient. 12-Month Warranty.If for any reason you are unhappy with any product by POMER,please feel free to contact us.We take full ownership and responsibility for the quality of our products and will do our very best to solve your problem quickly and efficiently!