1. Full-featured: Pocket software is a comprehensive electronic signature software, providing rich signature methods and scenarios, including handwritten signature, digital signature and contract signing. Handheld software supports signatures in various file formats, such as PDF, Word and Excel, which can meet the signature needs of different users.

2. Safe and reliable: The handheld software adopts multiple security measures to ensure the safety and reliability of the signature process. Handheld software adopts digital certificate and encryption algorithm to ensure the information security in the signing process; Handheld software supports multi-party signature and timestamp to ensure the authenticity and integrity of signature results.