9 in stock
- Power your Coldcard, Opendime or other low power USB devices
- Easy to use with a 9 volt battery without worrying about data security
- No USB data port required
- Mobile use everywhere
- 5 Volt, 500mA max.
The ultimate security for the Coldcard. Only sign with a 9Volt battery completely air-gapped transactions.
Cable and battery not included.
There are no reviews yet.