Bluetooth Earphone, Bigwave V 4.1 Lipstick-Sized In-Ear Earbud Hands-free Bluetooth Wireless Headphones for iPhone ,Samsung, iPad, and Most of Bluetooth Devices (Black)

Bigwave Multifunctional Two TWS Bluetooth 4.1 Earbuds Headphone with Emergency Power Bank

Pairing Dual Headsets with One Smartphone:
1.Select either of them as the main headset, long press to turn on(blue light flashing),then press twice quickly to enter pairing mode(red&blue light flashing alternately).
2.Long press another headset to turn on(blue light flashing),then press once(red&blue light flashing alternately),then the two headsets will pairing automatically and succeed after both flashing blue light slow (Press both once again concurrently to make pairing succeed if it's didn't work after 5seconds).
3.Press the main headset 2 seconds to enter pairing mode with smartphone(red&blue light flashing alternately)
4.Open smartphone's bluetooth to search and select K2,pairing with smartphone succeed after blue light flashing slow.

Pairing two headset with two device separately:
Long press one headset until red and blue light flashing alternately. Open smartphone's bluetooth to search and select K2,pairing succeed after blue light flashing slow.
Long press another headset until red and blue light flashing alternately. Open another device's bluetooth to search and select K2,pairing succeed after blue light flashing slow.
Then you can use the two headests separately.

Specification:
Headset Standby Time:300hrs
Continuous Working Time:3hrs
Total Talk Time: 30hrs
Power Bank charging time:2hrs
Headset charging time:1hrs
Headset battery:45mA
Power bank:450mA lithium battery
Bluetooth:V4.1 CSR64110
Bluetooth support:HFP,HSP,A2DP and AVRCP
Efficient distance:10 meters
Material:Aluminum,plastic ABS and silica gel
Overall body size:20*20*100mm
Headset size:20*20*25mm
Overall body weight:102 g
Two headset weight:11.8 g

Package include:
2*Bluetooth Earphone
3*Pairs of Ear Cap
2*Ear-Hook
1*USB cable
1*Charging protect case
1*User manual