Features:Supports micro SD/TF card， USB flash disk， FM Radio， Bluetooth hands-free call function， etc.HiFi & clear loud sound output with earphone output port.Universal for all Bluetooth-enabled devices such as iPhone/iPad， Samsung galaxy S4/S3/Note 2， other Android smartphones， tablet PCs， etc.Also supports LINE IN function， receiving audio source from MP3， MP4， tablet PC， Notebook， iPod， iPhone， etc.Built-in MIC enables you to make a handsfree call， let you stay away from radiation.Build-in high sensitivity FM radio frequency module， the signal is excellent.Powered by built-in high capacity rechargeable battery， support long time music playing.Compact and portable design， perfect for both home use and travel use.Specifications:Color: Red & blackBrand name: NiZHiHousing material: Plastic + Aluminum alloy + Acrylic shellPower supply: Rechargeable 600mAh lithium battery / DC 5VFrequency: 87Hz-18KHz Frequency range: 87.5-108MHzTHD: 0.06%SNR: ?��80dbDimension: 6.4 * 6.4cm / 2.52 * 2.52in (Height * diameter)Speaker weight: 236g / 8.32ozPackage size: 7.8 * 7.8 * 8.3cm / 3.07 * 3.07 * 3.27inPackage weight: 325g / 11.48ozPackage includes:1 * Mini Speaker1 * 3.5mm Audio Cable1 * USB Charging Cable