Portable FM 87.5-108MHZ 85dB Radio MP3 Player Stereo Speaker

Features: ? High-capacity lithium battery, playing for 18 hours Dual magnetic speaker, large volume. Stereo sound Dual memory card + USB flash drive. Can support the insertion of 2 memory cards at the same time. Power off memory, accurate to the second One-click cycle Digital channel selection One-click search? Frequency range: 87.5-108MHZ Working voltage: 4V Rated impedance: 4?? Power: 3W MP3 bit rate: 8k 320k bps Frequency response: 20Hz-20KHz Signal to noise ratio: 85dB Distortion: <0.05 Size: 12.3 x 3.5 x 5.8cm ? Note: ? Please allow 0.5-1 cm differences due to manual measurement. Due to the light and screen difference, the item's color may be slightly different from the pictures. ? Package Included:? ? 1 x Portable Radio 1 x USB Charging Cable ?