... Output: 2 * 10 W Channel: Dual-channel (stereo) FM radio frequency :87.5-108 .0 MHZ Performance indicators: Power Supply ... 500MAPower Output: 2 * 10 WChannel: Dual-channel (stereo)FM radio frequency :87.5-108 .0 MHZSupport SD Card Capacity: 128MB ... view mirrorSupport SD / MMC / TF memory card playerSupport FM wide-band radio, radio clearuse of high-fidelity, stereo circuit designstylish, waterproof, ...