[for Right Ear] SoulBay Mini Ultra Small Wireless Invisible Headphone Headset Earbud with Mic, Support Hands-Free Calling for Bluetooth Smartphones, Perfect for Listening to Music at Work - [Black] [Right ear Headset] Pairing Instruction: Hold down the power button of the headset for about 8 SECONDS or LONGER until you see the Blue & Red Light blinks alternately or Hear a beat. Built-in 50mAh polymer battery. Up to 4 hours of continuous talk time, 3.5 hours of music time. Can connected with two smartphone at the same time, the wireless range up to 10 meters. Built in HD and Sensitivity microphone. Idea for in car calling or working use. Perfect for Stealth Listening or watching at work. The Newest mini headset with lightweight and compact portable design.Simple and Stylish. Besides, If you have any issue for the product, please feel free to contact us. We promise to do our best to solve your problem quickly and efficiently!