The HMDX HX-EP310 Jam Transit Bluetooth Earbuds with Microphone provide you with hours of long, comfortable listening. 
HMDX HX-EP310 Jam Transit Bluetooth Earbuds with Microphone:
Bluetooth technology
Precision drivers for premium sound
Sweat resistant
Integrated microphone for taking phone calls
Comfort fit with integrated ear hooks
Integrated magnets to keep ear buds secure when not in use
Up to 6 hours of wireless play