Name: Wireless Speaker Built-in battery: Built-in battery Power supply :USB Frequency response range :100HZ-20KHZ Additional functions: card, voice prompt, call function Rated voltage :3.7V Wireless version :5.0 Effective distance :10 meters Battery capacity :500mAh Rated power :5W Supported format :U disk TF card Number of speakers :1 Box material: plastic Application scenario: car, desktop, home, mobile portable, live broadcast, broadcast system Connection mode: Wireless connection SNR :≥75dB
