The devices' battery life is also a rather short five hours, though this does not compare badly with AbioMed's four-hour rechargeable battery pack.

FORBES: Market Scan

The new binoculars come with a high-capacity rechargeable battery pack (NP-FV70) that allows up to approximately three hours of 2D recording on a single charge.

ENGADGET: Sony's Digital Recording Binoculars score a huge boost with $2,000 DEV-50V

Upgradeable Rechargeable Battery - Soundfreaq will be offering a rechargeable battery pack that consumers can add to Sound Platform 2 to enjoy up to 7 hours of AC-free listening.

ENGADGET: Soundfreaq announces its range of Lightning-compatible docks for early 2013