Sport IPX5 Waterproof Dual Battery Magnetic Wireless Bluetooth Earphone With Mic

PLEXTONE BX343 Sport IPX5 Waterproof Dual Battery Magnetic Wireless Bluetooth Earphone With Mic. 
(This Earphone has been a best seller).
PLEXTONE
BX343
Black, Yellow & Blue
Microphone Yes
Wired Control Support
Bluetooth Version 4.1+EDR
Battery Capacity Lithium-ion Polymer 110mAh
Charging Time (h) 2 hours
Working Time (h) Up to 8 hours
Standby Time (h) 240 hours