Bluetooth 5.0 True Wireless Tech, Auto Pairing
Adopt the Newest Bluetooth 5.0 Tech.
Firstly, you need to take out 2 earbuds from charging case in the same time, they will pair with each other automatically.
After this, search [J29 R] on bluetooth list of your phone.They will connect bluetooth automatically.
Don't worry about the wireless earbuds pairing process is too complicated anymore.
When you put them back into the charging case, they will be turn off and charged automatically.

How to Use Bluetooth Earbuds with Control Button?
Play/ Pause: Click once of any MFB earbud button.
Volume +:Quick double-click Left earbud.
Volume -:Quick Triple-click Left earbud.
Next Track:Quick double-click Right earbud.
Previous Track:Quick Triple-click Right earbud.
Pick up/ End a call:Press once of one earbud
Decline Incoming call: Long press 2 sec of any earbud.
Activate Siri: Long press 2 secs(of any earbud)with"Toot"prompt.

Specification
1.Bluetooth Version:BT5.0+EDR
2.Support:HSP/HFP/A2DP/AVRCP
3.Transmission Range: 10m/33 feet(If there are no obstructions the range could be as far as 33 feet)
4.Distortion: <1%
5.Earbuds Working Time: About 4 hours (High quality music and volume will accelerate battery consumption)
6.Charging Port: Micro USB cable
7.Charging Time: 0.5-1 hour to charge Earbuds; 2.5-3 hours to charge the Charging Case

Long Battery Life and Quick Charge
The Twins Wireless Earbuds Can Last for 4 hours'Music Time On a Single Charge. The Charging Case can Charge the Twins Earbuds for 4-5 times, So the Twins Earbuds Can Last Up To 16-24 hours.

Multi Work Modes
Twins Earbuds Mode--Give One Earbud to Your Friend or Family, Share the same music, video or TV at the Same Time.
Mono Earbud Mode--The Twins Earbud Can Work Separately, Each of the Earbuds Can Connect with Different Devices, Listen to the Different Music.