About 2 Trademarks found that are owned by Shenzhen Qianhai Tengda Industrial Coltd

Megaphones; Microphones; Smartwatches; Apparatus for broadcasting, recording, transmission or reproduction of sound or images; Audio mixers; Car video recorders; Cases for music, audio and related electronic equipment, namely, cases for audio tuners, audio receivers, amplifiers, tape players, compact disc players, MP3 controllers/players, audio mixers, audio speakers in the nature of music studio monitors, microphones, audio speakers, compact discs, audio tapes, portable computers, antennas, phonographic record players, audio recording equipment, and the cables associated with all of the foregoing equipment; Loudspeakers, headphones, microphones and CD players; Record playing apparatus and instruments; Recording and playing devices for sound and image carriers; Sound cards; Sound mixers; Wireless chargers

The wording "JMSSKJ" has no meaning in a foreign language.