The Newest Wireless headset with lightweight and compact portable design. Simple and Stylish. Built in HD and Sensitivity microphone. Idea for in car calling or working Office use. Perfect for Stealth Listening or watching at work or in the Office. Buit-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. Pairing Instruction : Holding down the power button of the headset for about 5 SECONDS or LONGER until you see the Blue & Red Light blinks alternately or Hear a beat, then you could connect it with your cellphone. Easy to Configure Wireless Bluetooth Headset For All SmartPhones. The Product should be charged before using it.|The Product should be charged before using it.