Flexible and uses ABS material. The diamond shape is easy to fit the neck, which reduces the heat and sweat compared with the round shape. With a 170mAh battery, the headset can stand by for 340 hours. After about 2 hours of charging, it can be used continuously for about 13 hours. You can also display battery power on connected iOS devices.
Contents in the package:
1x Earphone
3x Pair of Ear Caps (S / M / L)
3x Pair of Ear Flaps (S / M / L)
1x Micro USB Charging Cable
1x User Manual.