Shenzhen Cellwell Communications Co., Ltd. [China]

Maximum support 4 gb SD card/U disk memory card input:5V output:3.7V 800MA

1.Maximum support 4 gb SD card/U disk memory card2.Horn power: 4 Ω 3 w * 23.Ibs letter than: 85 db audio: 150 ~ 18 KHZ                                         

4.Source interface: 3.5 mm small stereo plug5.Charging time: 1 ~ 2 h6.input:5V output:3.7V 800MA7.Accessories: LINE IN LINE USB turn DC LINE specification (attached to the color box) remote control  

8.Band FM function, can automatic search deposit table9.Take the alarm clock and clock function

protable speaker support sd card