The Newest Bluetooth headset with lightweight and compact portable design. We are committed to creating the most Mini Bluetooth headsets. Simple and Stylish. Built-in HD and sensitivity microphone. Ideal for in-car calling or working use. Support A2DP, makes you can enjoy clear and natural sound when calling. Built-in 50 Mah polymer battery. Up to 4 hours of continuous talk time, 3.5 hours of music time. Pairing Instruction: Press and hold the button until the voice states “Ready to Pair” or the LED light flashing Red and Blue.