Super mini size， portable light weight.Easily play the music in your Micro SD/TF card， USB disk.Supports Line IN function， receiving audio source from MP3， MP4， PC， Notebook， iPod， iPhone， etc.Support FM radio function， radio frequency modulation range 87.6-108Mhz.HiFi & clear loud sound output.With earphone output.Built-in rechargeable battery.Durable metallic shell， elegant and stylish in appearance.Specifications:Color: silverPower source: DC 5VAudio cable length: approx. 40cm / 15.75inSpeaker size: approx. 5 * 5 * 5.5cm / 1.97 * 1.97 * 2.16in Item Includes:1 * Mini Speaker1 * USB Charging Cable1 * 3.5mm Audio Cable