These are very good reliable miniature sized USB drives which do not have the extreme overheating problems that some of the other brands do.
- Redefine everyday file transfers with speeds up to 300MB/s
- Exceptionally compact USB flash drive for an unnoticeable, seamless fit, designed with a key ring to prevent loss
- Reliable and secure storage for your photos, videos, music, and files. Duration time is 0.5ms
- Safeguard your data backed by a 5 year limited warranty (Water proof, shock proof, magnet proof, temperature proof, x ray proof)
- USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0). Operating Temperature-32℉~140℉. Non-operating Temperature-(-50℉) ~158℉