13mm big driver, HIFI sound .
Wearing detection, smart in-ear sensor.
17.5hr battery life, Type-C port.
Touch control, easy to use.
Master-slave switch, either one is master.
Environment noise cancelling, clear stereo calling.
about 3 hours on the phone;
The music lasts about 3.5 hours
1* QCY T7 TWS bluetooth Earphones with Charging Box
1* Type-C Charging Cable
3 pairs of Eartips