Portable FM 87.5-108MHZ 4.2V 4 Radio TF SD Card AUX Loop Play Speaker MP3 Music P... (COLOR.: RED)

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COLOR.: RED

Features: ? Support? TF card, for SD card, USB, audio input Support speaker and headphone output Built-in rechargeable lithium battery 10 buttons to choose MP3 music directly FM radio with clear audio channels. You can press the number keys to select the station The display, the volume level is clear at a glance Power failure memory?function, turn on and connect the song before power off Easy to use Frequency: 87.5-108MHZ Working voltage: 4.2V Rated impedance: 4?? Power: 3W MP3 decoding rang: 8~320k bps MP3 S/N: 87dB MP3 Dynamic rang: 92dB MP3 Channel separation: 69dB Frequency response: 20Hz-20KHz Distortion: <0.05 Speaker: 66mm 4?? 3W Power output: 3W max Battery: 3.7V 800mAh Li-ion battery Size: 125 x 36 x 73.5mm/4.9 x 1.4 x 2.9inch ? Note: ? Please allow 0.5-1cm 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(built-in battery) 1 x User Manual 1 x USB Charging Cable ?