Inventor
CAO KELONG
CN2 patents
Patents
2 patentsUSD761759SJul 19, 2016
Loudspeaker enclosure system having detachable wireless headphones
NINGBO FREEWINGS TECHNOLOGIES CO LTD12 citations73
US9351065B2May 24, 2016
Loudspeaker enclosure system having detachable wireless headphones and control method thereof
NINGBO FREEWINGS TECHNOLOGIES CO LTD0 citations31