3.Supported versions of the Bluetooth protocol:HFP v1.6, HSP v1.2, A2DP v1.3, AVRCP v1.5,SPP v1.2
4.Audion performance:Supported SBC,MP3,AAC,stereo
5.Working distance:10M
6.Working time:8-10 hours
7.Can answer&hang up and hold the line,can adjust the Volume,have Switch &toggle Play/Pause function,when you turn on or connects the earphones will have voice prompt,also have voice prompt for the Maximum Volume/Minimum Volume,have redial calls function and the Bluetooth of phone could automatic connection when u turn on the earphone and if your Bluetooth have connect the earphone before.
8.can connect two Bluetooth of mobile phone at the same time.
9.Have a voice report number when someone call you.
10.Have LED Battery Indicator.
Operating Instructions:
1.Turn on the earphone:Press the Answer key a few time until you hear the voice prompt(prompt is the earphone is turn on) and indicator light (blue light ) is flashing.
2.The Bluetooth Pairing:Press the Answer key a few time until you hear the pairing voice prompt(prompt you the earphones is in the pairing model)and the indicator light(blue light and red light) is alternate flashing.And you can find the corresponding Bluetooth device name in the phone and click on the device name in the phone to pairing the Bluetooth,after successful paired there will have voice prompt(prompt the Bluetooth was successful paired) and the the indicator light(blue light)is flashing.
3.Turn off the earphones:Press the Answer key a few time until you hear the pairing voice prompt(prompt you the earphones is turn off)
4.Charging:When the earphones is charging,the indicator light(red light)is flashing,when fully charged the indicator light(blue light)is flashing. Charging voltage:5V. Charging mode:MICRO 5PIN USB port.
5.Turn up the volume:Press the plus volume key in a long time to adjust the volume.
6.Turn down the volume:Press the minus volume key in a long time to adjust the volume.
7.Switching to the last one song:Press the minus volume key in a short time to switch the song.
8.Switching to the next song:Press the plus volume key in a short time to switch the song.
9.Play music:Press the answer calls key in a short time.
10.Pause music:Press the answer calls key in a short time.
11.Answer/hang up calls:Press the answer calls key in a short time.
12.Redial calls function:Press the answer calls key in twice can redial a number.
13.Connect two phone :Open the Bluetooth of two phones at the same times and the Bluetooth device of the phone turn into the pairing mode,and then find the corresponding Bluetooth device name in two phones at the same times,and then click two Bluetooth device name of phones one by one to pairing.(There will have voice prompt,prompt the Bluetooth successful paired,)