output: 3ω 12w*2
frequency: 100hz---20khz
speaker specification: 5 inch x2
snr: ≥85db
power supply: ～5v-usb 3.5 stereo head
battery:7.4v 4000ma model:18650 x2 function: u disk, sd card ,fm radio，echo,karaoke，conect to pc,ladtop,mobie phone
广州市飞凡电子有限公司
18026311388
中国 广州