1.Original 1:1 classic TWS.all function.in-ear detection.window pop-up.name definition and GPS.real practical power percent. 2.Kev koom nrog GL 6936D8 plan.steady thiab paub tab zoo. 3.300MAH roj teeb lub thawv.dialing thiab suab paj nruag sij hawm rau 12 teev. 4.Precise in-ear detection.wear to play and take out to stop. 5.Knock touch control.song switch.volume up and down.voice assistant.quick and easy operation. 6.Nrog diaphragm tooj liab nplhaib speaker.clear suab.