hamburger speaker with SD+FM function                                                                                                             (1) Can play music by link to mobile phone、MP3、MP4、PC、IPOD and other audio devices, if you devices have 3.5mm socket.
(2) Suitable for Promotion, Gift, Store for sell. Pocket size to carry anywhere
(3) Charging Indicator                                                                                                                                                (4)SD card speaker                                                                                                                                                   (5)volume control                                                                                                                                                        (6)with earphone connector                                                                                                                                                                     (7)  FM function    

Power supplier:	DC5V
Output power:	3W(1KHz,THD10%)
Frequency:	200Hz——20KHz
Signal&noise ratio	≥80dB
Impedance:	4 OHM(Ω)
Li-ion Output:	5V
Li-ion Input:	Contact Infomation Send Inquiry Company name:ShenZhen Yun Cheerful Technology CO.,LTD Status:[Offline] [Send message] [Chat] Business contact:doris (Mr.) Telphone: Mobile: Fax: Area: Caribbean Region-Bermuda Address:B1029, Golden Dragon , Sanyuanli, Baiyun District,Guangzhou Zip:510324