Amerzam Bluetooth Headphones Mini Wireless in-Ear Earphones Bluetooth Car Headphones Headset Earbud with Microphone for iPhone 7 6S Plus Samsung Galaxy S7 and Android;

Specification:
1.Version:BT4.1+EDR
2.Support:HSP/HFP/A2DP/AVRCP
3.Standby Time:About 40 hours
4.Call Time:About 2 hours
5.Play Time:About 2 hours
6.Charge Time:About 2 hours
7.Charging Case:About 450mAh
8.Headset Size:28*20*28mm
9.Headset Weight:About 5.0g
10.Charging Case Size:80*60*30mm
11.Charging Case Weight:45g
12.Package Include:1 pair bluetooth headset+1 pcs Charging Case+1 pcs Micro USB Cable+6 pcs ear rubber+1 pcs user manual Pairing and Setup on smartphone:
1. Open the smartphone settings application and turn on Bluetooth.
Continue to push the body of the earphone for about 7 seconds at the same time, the lamp alternately turns on blue and red.
3. Add a list titled "TWS - K2" in the "Device" list, so tap it.
4. Pairing is completed automatically.

How to use:
1.Power on: Activate by pressing and holding the earphone's earphone for 7 seconds at the same time.
2.Power off: If you hold down any ear earphone's body for 5 seconds or longer, turn off both ear earphones at the same time.

Music operation:
Pause / music playback: Short press the left ear body once.
Music change: short press the right ear Bodin once.

Call operation:
Call reception: Press the left ear body shortly once.
End call: short press the left ear body one time.
Please note: You can only use the left ear earphone when making a call. When the call ends, it returns to the auto mode to the music mode.