The new Bullet X bluetooth 4.1 could be a perfect earpiece for those who mostly work outdoors. The user does not have to face any problem with the device while working outside in rainy days. It is also good in hot and humid weather as it is specially designed for sweaty ears.
There is Active Noise Reduction and echo suppression features in the device. The charging dock serves as the carrying case. The device is selling in the following link.
Source: Think Geek