Shenzhen Songood Technology Co., Ltd. [China]

1.good sound quality 2.long battery time 3.USB sound card drive function 4.Battery capacity:3.7V 400mA

1.Connect with pc, mp3 and other devices,2.Play menory TF card, Audio Playback Format:MP33.2.0 woofer system4.USB Sound card drive function:Only need one USB cable to complete the input source,the card reader and charging function5.Battery capacity:3.7V 400mA   6.Long battery life: up to 6 hours playtime brings nonstop music pleasure           7.S/N:≥80dB8.Frenceny response:180Hz-20KHz9.Product size:(D)64mm*(H)52mm

S7 protable memory card mini burger speaker