Borofone BE55 Perfect Wireless Bluetooth Earphone(Black)

1. Bluetooth 5.1; Chip: Jerry AC69762. Battery capacity: charging compartment 1200mAh, earphone 40mAh3. Talk/music time: 4.5 hours; standby 200 hours4. Ergonomic design, comfortable to wear5. The headset is automatically turned on when the headset is taken out, supports master-slave switching, and summons Siri6. 1200mAh large power supply, which can be used for emergency charging of mobile phones7. The headset can last up to 45 hours with the charging compartment8. Dimensions: 78x48x30mm; total weight: 78g