1.wooden laptop speaker
2.mini speaker with controler
3.play music from sd/usb
4.green product
5.OEM service offer
laptop speaker specifications 1.output power3w*22.frequency response150HZ-18000HZ
3.speaker: dia52mm.4ohms
4.sensitivity:80DB
5.working voltage:5V/1000mA
6.built-in lithium battery,rechargeable with the usb cable
7.with usb interface,it can play the music from u drive flash,mp3,sd memory card etc.8.with the remote control, you could change to the next lying on bed
9.dimension:31*33*31mm10.accessory:usb cable,transformer connector11.N.W.0.9kg G.W.0.98KG
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