What does Unicom version of the small smart speaker mean?

The small Unicom version only supports Unicom operators' 4g networks, while the small open version supports mobile and Unicom operators' 4g networks, and supports dual cards and dual standby. Unicom version only supports one data connection mode, while the open version supports TD-LTE and FDD-LTE. Small smart speakers are equipped with Baidu interactive artificial intelligence operating system DuerOS, which has more than 654.38+million hours of massive audio content and more than 400 common life skills; Under the characteristic children's mode, donkey kong provides a system for children to learn by age; The small smart speaker has a high-sensitivity full-range speaker and a brand-new sound wave reflection cone design, providing a 360-degree hearing experience without dead ends; Professional power amplifier and tuning, the timbre is round, clear and bright, even in a large space, it is still clear and full, presenting a clear sound; Using beamforming technology, effectively shielding interference, remote voice control, wake-up distance of 5 meters; Built-in ARMCortexA53 quad-core processor, low power consumption, high integration, faster speech recognition and better audio processing effect; A variety of link modes, Wi-Fi networking search, Bluetooth playback, DLNA protocol support, unlimited, to meet a variety of hearing needs.