hoco EW57 Ear Clip True Wireless TWS Bluetooth Earphone(Black)

1. Bluetooth: 5.3, chip: Zhongke Lanxun 8926B22. Battery capacity: charging case 450mAh, headset 70mAh3. Use time: 11h4. Size: 74x45x40mm5. Open clip-on TWS headphones6. Supports functions such as master-slave switching, up and down song switching, and summoning Siri.