Press and hold the power button 1 sec to end the setting. According to the message of Hengkang Yejia skipping rope, press and hold the power key 1 sec to end the setting, and then return to the normal startup state, so that the timer can be cancelled. Shenzhen Hengkang Yejia Technology Co., Ltd. was established in 2006, located in Shenzhen City, Guangdong Province, and is an enterprise mainly engaged in manufacturing cultural, educational, industrial, sports and entertainment products. Main business: sports equipment, electronic products, instruments, etc.