"Parameter configuration:
<br />True wireless stereo
<br />Bluetooth version : 4.1
<br />Bluetooth transmission distance : 10m
<br />Battery capacity : 70 mAh for left and right  
<br />Charge box : 500mAh
<br />Working time : one for 5 hours, a pair for 3.5 hours
<br />Standby time : one for 120 hours, a pair for 60 hours
<br />Charging time : 1 hours
<br />Support one match two, connect 2 device.
<br />Support A2DP1.3/HFP1.6/AVRCP1.6/DI1.3
<br />ADOPT THE ADVANCED CV6.0 active noise-cancellation
<br />TWS headset pairing steps ( 2 headsets working at the same time. )
<br />1. when the bluetooth headsets are off. Long press  the &amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;quot;MBF&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;quot; button of two headsets at the same time  and then releae your hands until the indicatoe flash  blue alternately. 
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<br />2 after 5 seconds, one pf the earbud indicator flash  red and blue alternately ( main headset), and the  other flsh blue. (note : if the two bluetooth headset  indicate does not appear above state, please double  click the bluetooth earbuds&amp;amp;amp;amp;amp;#39;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;quot;MFB&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;quot; button and then  the two earbuds&amp;amp;amp;amp;amp;#39; indicator flash red and blue  automatically. after about 5 seconds. one of the  earbuds&amp;amp;amp;amp;amp;#39; indicator go out and the other one flash red  and blue, at this time, those two earbuds pairing  successfully. )
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<br />3,after 3 seconds, those two earbuds car pairing  automatically. 
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<br />4, and then please open your bluetooth function and  search B02 for pairing with your phone. &amp;amp;amp;amp;amp;quot;