... ,ipods,laptops,mp3s.etc 3).With high capacity li-ion battery built-in,can be charged by USB cable Specification: 1 ... Response:100HZ---20KHZ 3).S/N Ratio:≥80db 4).Lithium battery :3.7V 800MA 5).Product size:12.5*3.3 ... Size:cm/40pcs G.W:kgs Powered by Winnershine Technology (Shenzhen) Co., Ltd. mini speaker for Nokia