With the supplied cable, approximately one hour.
With normal use, 3-5 weeks on a single charge. Your experience may be lower or higher based on your use and environmental conditions.
Issue: Device wont charge or turns off immediately after turning on after attempting to charge using your computer’s USB port. Solution: Some laptops and computers shutdown the USB port to save power especially when the lid is closed on a laptop. Plug your charging cable into a wall charger.