Features:100% Brand new and high qualityBlue and white porcelain designGood quality and good value that will meet your audio need Lithium battery inside， it is a good company to whom want to go out， stay at home or go a journey The most hot sell amplifier with 3.5mm live voice wire line in can be a amplifier for cell phone computer and MP3 MP4， it can be chargeable by computer or USB power adapter Line in: 3.5mm voice frequency wire Support Micro SD card， USB， FM functionSupport line in and line outPower in put USB power /Lithium battery inside Charging: USB insert the USB port of compute Power: USB 5V， 500-1000MaFrequency: 87Hz-18 KHzFrequency Range: 87.5-108 MHzSNR: ��80dbMusic format: MP3Impedance: 4 ohmColor: As the pictureMaterial: PlasticSize: Approx. 5 x 5 x 5cm (L*W*H)Speaker Weight: About 92g Package Included��1 x Mini Portable Multimedia Speaker1 x Audio Cable1 x USB Cable1 x Hanging String1 x User Manual