Round Shape Portable speaker, Multimedia speaker, portable speaker, Mobilephone MP3 speaker,computer speaker,laptop speaker Specifications:MP3 speaker: 1.card reading function,can read USB/ ... 52mm),antimagnetic,4 ohm6.Input voltage:DC 5V7.Speaker:3W x210.Use large capacity Lithium battery(1000mA), ... /PC 48PC/export cartonN.W11.5KGSG.W14KGSCtn size:46.5*21.3*49.5Container loading quantity:20"ft = ...