Metal True Wireless Earbuds

1. Material:Zinc Alloy2. Bluetooth version 5.3 Jerry 6973D4 chip3. Headphone battery: 30mAh * 24. Charging compartment battery: 200mAh (with protective plate)5. Single airpod usage time: 4 hours6. Charging frequency of the charging compartment: 3-4 times7. Battery life: 20 hours8. Waterproof grade: IPX4