... external battery slot 3.FM,Clock,Alarm SU-10 super mini speaker high quality for laptop with ... Output power:RMS 3Wx2 THD=10% 3.SNR:≥85db4.Frequency Response:150~18KHZ 5.Impedance:4Ω6.3.5mm ... to gift boxPackage: Unit Size14*10.5*6.5cmPCS/CTNS50 PCSCarton Size58.5*31.5*44cmG.W26.1KGSPCS/20GP17,266 PCSPCS ... /40GP34,532 PCSPCS/40HQ41,933 PCSPhoto: SU-10 super ...