flash 5 seconds side machine at a time; when the main headset pairing is successful.
2. With the mobile phone pairing: only the main ear to the mobile phone pairing
from mobile phone equipment to find the corresponding Bluetooth name matching;
matching timeout after entering the connectionless standby, automatic shutdown,
and with the machine voice tone.
3. Call function: the call function can only be operated by the main earphone, and
the auxiliary ear will be in a state of no functional standby.
4. Music play / pause: the main headset headset click any one of the MFB button
can play music, if you want to pause playback repeat operation can be.
5. Shutdown: the main pair of headphones in the pairing connection state, any long
press the MFB key for about 3 seconds, and there is a hint of sound "drop" sound,
then the two headphones off at the same time.
Bluetooth version：V4.1
Support protocol: headset hands-free Bluetooth audio transmission
Working area: accessibility of about 10 meters
Grade：Class 2
working frequency：2.402~2.48GHz
Charging voltage：5V
Battery capacity：40 mAh
Charging time：About 1.5 hours
Talk time：About 2 hours
Standby time：About 120 hours
Music playing time：About 2 hours
1.dual USB interface
2.total output：5V~1 A
3.Input：5V~1 A
Multi function parameters of emergency power supply
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