TF Card Expansion Expandable to 512 GB for additional storage without changing devices Enables storing more files, photos, videos, and data in one place Simple upgrade to extend capacity as needs grow Battery and Power Lithium battery provides up to 25 hours of continuous use Battery capacity rated at 260 mAh Designed for reliable performance during prolonged usage Operating Range Works reliably in temperatures from 10 C to 40 C Suitable for varied environments and field use Key benefits and why it matters Higher storage capacity up to 512 GB reduces the need to manage and transfer data frequently Long runtime supports extended sessions away from power sources Compact power solution paired with wide operating temperature range enhances versatility Practical use scenarios On the go media expansion for portable players or handheld devices, enabling longer viewing or music playback without frequent recharges Outdoor or field work where devices run in varying temperatures, requiring stable operation and ample storage for data capture In devices that perform continuous data logging or recording, benefiting from extended runtime and substantial storage capacity Compatibility and performance notes Designed to accept TF cards up to 512 GB Provides a balanced combination of storage expansion and reliable power for compatible devices No excluded details; aligned with the specified TF card expansion, battery specifications, and operating range