25 of 26 people found the following review helpful
Nice, portable speaker; battery life varies depending upon mode.,
Veho M4 is a cool little portable speaker with decent sound. I find it very convenient.
Other reviewers have commented on the battery life varying from 1 hour to 6 hours. The manual indicates that the play time should be 2 hours using Bluetooth, 4 hours using a microSD card, and 5 hours using line in.