• The battery pack has a long life and a stable voltage output. The battery pack contains a microprocessor to monitor the entire charging process, which can prevent overload, overvoltage, high temperature, etc. The gold-plated contacts and snap-on design ensure that the battery is not easy to fall off and have poor contact;

• The dual battery module is fully charged in 3 hours, speaking for 12 hours, and standby for 15 hours, which is enough for a whole day of meetings. Charging in 1 hour is nearly 50%, which is enough for a normal meeting within 5 hours;