1, Hold down left and right mini bluetooth headphones wireless together until two indicators light flash red and blue alternately .(Only when they flash red and blue, does mean earbuds go into pairing mode).
2, Wait for another 5 to 10s, one indicator light will stop flash red and blue while another one still flashes red and blue alternately.(It means bluetooth headphones wireless pairs with each other successfully.)
Power on: Activate by pressing and holding the bluetooth headphones' MFB for 7 seconds at the same time.
Power off: If you hold down any bluetooth headphones wireless' body for 5 seconds or longer, turn off both wireless earbuds at the same time.
Please note: Two wireless bluetooth headphones both can support calling when they work separately. Only the master bluetooth headphones wireless can be used to call or answer a calling when use them together.
Specification:... BT4.1+EDR
2.Call Time: About 2 hours
3.Play Time: one for 3-4 hours