Pros:

Battery life is one of the longest among small in ear headphones.

Sound is also fully satisfactory for this size and type of headphones.

smart looking ear hooks are a big help for better comfort during sports. more info…

Bluetooth Headphones, Grandbeing® V4.0 Bluetooth Headphones Wireless Sport Sweatproof Stereo Earphones Workout Earbuds Headsets with MIC and Volume Control for iPhone Samsung HTC Smartphones, Red