M28 Bluetooth-compatible 5.1, Wireless headphones

TWS M28 Wireless Bluetooth Earphones, Sports Headset with Microphone, Waterproof Noise Canceling 9D Hi-Fi Stereo Earbuds

How to use the headset:
1. Play/Pause (touch the left earbud once)
2. Answer/hang up (press) and touch the left earbud once)
3. Call Siri (long press the left earphone for 1 second)
4. Turn down the volume (touch the left earbud three times in a row)
5. Skip to the previous song (press the left earphone for a few seconds)
6. Power on/off (long press the headset for 5 seconds)