Product parameters 
1. ModelXY-10
2. Style:In-ear
3. Chip:JL6936D4
4. Bluetooth Version:5.0
5. Bluetooth Distance:10m
6. Working Time:3-5 hours
7. Battery Capacity of Earphone:30mAh
8. Battery Capacity of Charging Case:400mAh
9. Charging Interface of Charging Case:Type-C
10. Waterproof:IPX4
11. Earphone Size:26.3*22.6*15.8mm
12. Charging Case Size:70*27.5*39mm
Package list:
1 * Pair of Bluetooth Earphones 
3 * Pair of Ear Tips
1 * Charging Box 
1 * Charging Cable 
1 * User Manual