1. Bluetooth: 5.3, chip: Zhongke Lanxun 8926B2
2. Battery capacity: charging case 450mAh, headset 70mAh
3. Use time: 11h
4. Size: 74x45x40mm
5. Open clip-on TWS headphones
6. Supports functions such as master-slave switching, up and down song switching, and summoning Siri.