HOCO wireless bluetooth headset TWS OWS EW57 white

1, Bluetooth 5.3; chip: Blue trum 8926B2 2. Battery capacity: charging compartment 450mAh; Headphones 70mAh 3. Use time: 11 hours; Standby time: 4, Size: 74*45*40mm; Total weight: 62.8g 5. Open clip-on TWS earphones 6. Support master-slave switching, up and down switching, summoning Siri and other functions