Amerzam Bluetooth Headphones 4.1 Earbuds Wireless Sports Headset Stereo Headphones with Mic (Black)

Amerzam Bluetooth 4.1 Earbuds wireless sports headset stereo headphones with mic for iPhone, iPad, Samsung and android smartphone(black) Bluetooth profile:hfp1.6 Hsp1.2 Avrcp1.4 A2dp1.2 Audio codec:apt-x rf range:33ft/10m noise reduction:cvc6.0 Stand-by time: about 175 hours talk time: about 5 hours charging time: about 2 hours dimension (l×w×h):40*24*32mm/1.57*0.94*1.26Inch weight:16.4G/0.58Ounces about charging: 1.Use a charger with dc5v output voltage or using charging cable connected to a computer to charge the headset, you can connect two cell phone at same time. 2.Druing charging, the indicator light will turn red, when it is fully charged, the light will turn blue. 3.If the headset has not been used for over three months, pls charge it before using. About pairing: 1.Activate the Bluetooth function on your phone and search for the Bluetooth headset. 2.Press the power button of the headset, the light flashes rea and blue at same time, it will automatically enter pairing mode 3.If a pin code is required for pairing, enter'0000'to pair and connect the headset to your phone. Note: 1.After paried.Open your media player to play music, watch tv/film or play games, then you can hear all the sound from device. 2.If your phone is smartphone, when you call coming, you can say "yes" to get through and say "no" to hang up.