usmile Announces the Launch of Future One - Its First AI-Powered Sonic Electric Toothbrush with 6 Built-In Chips and 365 Days Battery Life HONG KONG, May 10, 2022 (GLOBE NEWSWIRE) -- usmile (a sub-brand of the Stars Pulse Corporation), an Asia-based, all-round oral care brand driven by the mission to enable healthier oral conditions...