Over-The-Head Noise Cancellation Headphones Multipoint Bluetooth Headset with flexible boom Mic for Smartphone， PC，PS3 game machine• 1- Touch Answer/End easy To use •Over-The-Head Design With Boom Mic Comfortable To Wear •Noise Cancellation Crystal Clear SoundFeatures•Ultralong talk time•Support multipoint function•Support headset， handsfree profile•Stylish design and best quality mould and finishing.•Crystal clear and high quality voice for both talking party，noise cancellation.No echo.•Voice- dialing，re-dialing，refusal of incoming call function.•Volume adjustable.Specification• Machine material: ABS.• Color:Black• Bluetooth 2.1 • Operating Range :32 feet• Charge Time:< 8 hours• Support Bluetooth Function: Headset Profile ， Handfree Profile• Talking Time: 20 hours • Stand-by time: 350 hours• Charging Voltage:5V• Chargine Current:80mA• Working Voltage:• The charger power supply: 110-240VHow to pair with 2 phone: pair to 1st phone:1，press and hold the multi-function button for about 8 seconds， until the indicator light alternates between blue and red， indicating that it is in pairing mode 2， Activate the bluetooth search feature on your phone， refer to your phone's manual or further instructions 3， Select BH-M10B from the searched device listing 4， Enter pin code "0000" to confirm and finish pairing. The headset will flash just blue to indicater completed pairing pair to 2nd phone: * After pair the 1st phone to the headphone， temporarily turn off the 1st connected phone's bluetooth wireless technology function * pair the 2nd phone using the steps above * Turn off the headset， and re-turn on the first phones bluetooth *re-turn on the headset， and it will re-connect to both devices automatically