динамик для mp3

speaker for mp3 Specifications:Material: aluminium bodyWeight: 0.1kgProduct size: 13.8*5*5cmDrive unit: 40mm speakerpower supply: lithium battery(3.7V 800MA),DC 5.0V(output 3V,300-800mA)Speaker unit: 2W*2Output power: 2W*2 4Ohms(1KHz 10% THD)Frequency responce: 275Hz-20KHzImpedance: 4 ohmSignal-to-Noise Ratio: more than 60 dbDistortion: ≤1%MOQ: 3000pcsLead time: 18-20daysWork with any audio player with 3.5mm audio jackFeatures:1) Can be work with iphone/ipod MP3/4/SD card/computer.2) 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 designPackageGift box:carton size: 58*51.5*34CM/60pcsN/W: 12kgG/W: 13kg20ft:40ft:40HQ:Accessories1*USB cable,1*3.5mm audio cable About us Jia Xing Electronic Technology Co.,ltd established in 2002.Mainly produce mini speaker, for Ipod/ iphone speaker and speaker bag etc. All of our products have CE,ROHS,FCC and other international certificate. We accept OEM order.