Green Lion Cairo Wireless Earbuds -Charging Box Capacity: 200mAh -Earphone Capacity: 25mAh -Waterproof Level: IPX4 -Bluetooth Version: V5.3 -Effective Distance: 12M -Multi-Function Touch -Playing Time: 4hrs -Driver Size: 8mm -Impedance: 32Ω Green Lion Cairo Wireless Earbuds -Charging Box Capacity: 200mAh -Earphone Capacity: 25mAh -Waterproof Level: IPX4 -Bluetooth Version: V5.3 -Effective Distance: 12M -Multi-Function Touch -Playing Time: 4hrs -Driver Size: 8mm -Impedance: 32Ω