Headphones Earphone Ear Buds Cheap Bluetooth I 12 TWS

1. Briefly play (pause) music/answer the call, 2. Double (right) headphones double short press to reduce (increase) the volume, 3. The left (right) earphone briefly touches the next (last) music, 4. Easily wake up Siri 5. Cancel the open situation and close it to the closed situation.