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speaker SpecificationS:Material: ABSWeight: 0.1kgProduct size:9*4*1.5cmDrive unit: 40mm speakerPower Supply: lithium battery :3.7vSpeaker unit: 2W*1Output power: 2W*1 4Ohms(1KHz 10% THD)Frequency responce:160HZ-2.2KHZImpedance: 4 ohmSignal-to-Noise Ratio: ≥90dbMOQ: 1000pcsLead time: 10-15daysTHD:0.5%with FM radio functionFeatures:1) Can be work with SD/TF card2) The newest profile and portable.3) The best price and stereo sound4) There is so all kinds of shapes, such as football, basketball, heart shape and OEM designlithium battery inside,with TF slot,USB slot,FM radio function,with a standard Noika battery.PackageGift box:6.5*1.7*2.2cmcarton size: 475*305*270MM/100pcsN/W: 13kgG/W: 14kg20ft:40ft:40HQ:1* About us Jia Xing Electronic Technology Co.,ltd established in 2002.Mainly produce mini speaker, Ipod/ iphone speaker and speaker bag etc. All of our products have CE,ROHS,FCC and other international certificate. We accept OEM order.