Official genuine T&G321 bluetooth speaker mini portable portable subwoofer TF card U disk radio waterproof fall-proof men and women gifts

Applicable Scene Car, desktop, fitness sports, outdoor, home, mobile portable, K song, live, square dance, broadcasting system, outdoor lawn Connection: Bluetooth connection Frequency range: 120HZ-20KHZ Signal-to-noise ratio: ≥85dB Number of speakers: 1 Effective distance: 10 meters Box material; plastic Packing list: speaker, manual, charging cable Power supply: lithium battery Bluetooth version:5.3 Built-in battery capacity:300mAh-500mAh (included) Rated power:5 Speaker unit:¢45mm*1 Shell process: plastic + cloth mesh Rated voltage:3.7 Additional features: card insertion, voice prompts, call function, money broadcasting