Super Strong Battery, ultra long battery life and support fast charging.
up to 7 hours of listening time on one charge,
up to 72 hours with charge case,
only 15 minutes charging provides up to 3.5 hours listening.
Chipset: RealTek 5.0,
Bluetooth Version: 5.0,
TWS, true wireless stereo.

Custom made with your own logo on the charge case & retail package for only 10pcs.