1. Solar hand-crank radio, outdoor multi-function radio 2. IPX3 waterproof standard IPX3 waterproof standard can effectively prevent rain or spray water from invading electrical appliances and causing damage 3. Charging method Lithium battery can be replaced with spare battery Solar charging Hand-crank charging, USB input/output charging, charging anytime and anywhere, no longer worry about power outages 4. Solar charging Built-in solar panel, can convert light energy into electrical energy storage under light conditions, long use time 5. Hand-crank power generation Built-in generator, can be hand-cranked when there is no electricity Shake the generator to for emergency use Note: When turning the joystick clockwise or counterclockwise, it should be turned continuously and kept at a constant speed of 130 rpm for 1 minute. It can be used for lightin g for more than 20 minutes and the radio works for 5 to 10 minutes 6. High-volume and high-power speakers Adopt high-performance strong magnetic dual-tone speakers, with full volume and surround sound field, plus bass diaphragm with three-dimensional space US version: FM87--108MHzAM520--1620kHzWB162.400--162.5500 European version: F 87--108MHzAM 520--1710kHz Japanese version: FM76--108MHzAM 520--1710kHz Battery type: (replaceable) 18650 lithium battery 2000mAh 3.7V LED specification 0.75W strong light 3LED Solar specification 68*26*3mm 5V 30mA Single set contains: Radio*1 Charging cable*1