1.[Gift] HRD-231 FM radio is a great gift for the elderly in festival. 2.[Multifunctional]Support 50 FM storage statlons,TF Card play ,Bluetooth music play ,LED lighting,Can be used as Mobile power bank in Emergency conditions,large battery, etc . 3.[Mobile power bank]it Can be used as Mobile power bank in Emergency conditions in field. 4.[LED lighting]Fearless of the dark, bring your its flashlight, it is Convenient for Camping 5.[Battery]it is rechargeable 2000mAh 3.7V 18650 battery. [Bluetooth]it support Bluetooth music play . Supported memory type: TF Card (No included) FM frequency range:FM:76.0-1080MHZ TF card playback format:MP3. WAV WMA, APE,FLAC Bluetooth version : V5.0 Number of FM storage statlons:50 Headphone output: Standard 3.5mm, headsetJACK Charging line: Type-c usb Loudspeaker:Ф40mm/40/3W External power source:DC5V Minimal working voltage: 3.3V Output power: 1.6W Lithium battery specification: 2000mAh 3.7V 18650 battery(including ) Colour:Photo Color Material:plastic Package Contents: 1 x DSP Stereo Radio 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.