USB 2.0 Speaker 1.Appliance for PC, Notebook 2.Power supply: USB USB 2.0 Speaker for pc and notebook USB 2.0 ... Speaker1).Appliance for PC, Notebook2).Volume control3).52mm Full Range ... /time printing, OEM giftbox add $0.1/pc below 3K MOQ. ROHS add us$0.2/pc(not REACH, need to re-quote ... giftbox sample 80USD, no refund. USB 2.0 Speaker for pc and notebook