Bluetooth version v5.0
music time: 3 hrs
taking time: 4 hrs
standby time: 120 hrs
operation range: 10 metres
waterporoof: ipx4
battery : 43mah rechargeable lithium-ion polymer battery
charging case: 380 mah can give 3 times charging to the earphones
contact mbo sales & services now to place your orders. feel free to visit our shop or rewuest delivery aervice at a fee. thank you!