K042C 2 in 1 Earbuds Speaker

Bluetooth version：V5.1
Bluetooth range：10M
Battery capacity：40mAh(earbuds);1200mah (Speaker)
Playing time in normal volume：
4H (earbuds); 5H (Speaker)
Speaker：￠40mm plus
Speaker power：4Ω/5W
Single weight：206g
Charging voltage：5Ｖ/ 500mA