Features: Color: Black, Blue, Red Note: If you do not choose a color we will randomly ship Compatible With: for iPod, MP3,for iPhone, MP4, MP5, Tablet PC, Mobile Phone, Laptop, PC, ect Good sound quality lets you indulge in your favorite music Supports USB2.0 high speed transmission, fully compatible with USB1.1 Supports Micro SD/TF card, USB disk, FM, etc LED display panel Compact and portable, convenient to carry Specification: Power Output: 2W FM radio frequency: 70-108MHz Frequency response: 150Hz-20Khz Signal to noise ratio: ≥80dB Distortion rate: