Main Features:Digital button choose music functionSupport TF cardHigh-definition LED display screen， audio-visualBuilt in USB2.0 port， convenient to charge and download musicWith FM radio functionMP3/Wma format playAudio output functionFrequency: FM 87.5Hz-108MHzS/N: 87dBDecoding range: 8-320KbpsDynamic range: 92dBChannel separation: 69dBSpeaker: 57mm 4ohms 3WPower requirement: DC 5VPower output: 3W Specification:General ?Model: Radio?Features: LED Display Screen?Functions: TF， Volume Control， FM?Design: Stylish?Material: Plastic， Metal Connection Wired FM Radio Support Interface USB2.0 Power DC 5V Output 3W S/N 90dB Dimension and Weight ?Product Weight: 192 g?Package Weight: 256 g?Product Size (L x W x H): 12.3 x 7.0 x 2.7 cm?Package Size (L x W x H): 13.0 x 12.1 x 4.4 cmPackage:1 X Speaker