Wireless Bluetooth Headset with Clear Sound, Support Voice Control and Say Yes or No Function. (Red) Clear Sound Quality : bluetooth 4.1 with Apt-x technology provide pure wireless sound . Makes you can enjoy the rich listening experience. Super clear sound ideal for calling or music. Signal Enhance Tech: The headset with good signal deal tech. Can make sure the wireless range reach up to 10 meters in open air. Unparalleled wear experience: lightweight , compact, stable and comfortable design. The shape of the headset is fit for most ear. Ear cups with high quality soft rubber. You will not feel any uncomfortable even long time using. Unique and Stylish design: Combine the classic wine red with Black, and fashion blue with Black. Adopt the best light lacquer. You will get an amazing fashion experience. Compatible with most smart phone. Pairing Instruction: Press and hold the button until the voice states"Ready to pair" or the LED light flashing Red and Blue.