Four power supply modes: solar charging, crank hand-cranked power generation, Type-C charging, 2000 mAh lithium battery Three lighting modes: weak light, strong light, SOS+strobe Replaceable battery design, large-capacity lithium battery 2000mAh (18650 model battery, can be extended to 3500 mAh), can be used as an emergency (output current 1000mAh), can be used to charge mobile phones or other electronic products through USB Type-C data cable, temporary emergency power supply, so that you no longer have to worry about power outages when traveling High-power generator module: up to 600mAh current, which is twice the power generation of half of the cheap models on the market. The machine can be restored to use after a few seconds of hand cranking Small enough to fit in your pocket AM: 520-1710KHz, FM: 87-108MHz, NOAA: 162.40 0- 162.550MHz Working Voltage: 2.7V to 4.2V Battery: Polymer Li-ion Specification:B:American version: FM 87--108MHz AM 520--1700kHz WB162.400--162.5500MHz [Different frequency bands and chips in different countries] (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material: plastic Package Contents: 1 x portable Radio 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.