Paramters:
Bluetoot chipset: Bluetrum;
Bluetooth version: V5.0;
Battery capacity: 70*2mAh for bluetooth headset+300mAh for Airpod;
Charing time: 1-1.5 hrs;
Calling time: abt 6hrs;
Music playing time: abt 6hrs;
Certs: Fcc/CE/Rohs/BQB(for the chipset IC).