Package Content: 1 x Radio (Built in 2000mAh 18650 Li-ion Battery) 1 x USB Cable Features: USINGTHEFLASHLIGHT ?Press the flash light switch to turn it on/off. Adjust it focus. LED reading lamp ?Pull the solar panel(on the top)up,it will automatically on. SOS Alarm ?Press the SOS button(on the bottom) to turn it on/off, and SOS will send a warning sound. HANDCARNK ?Turn the Hand Crank for 3-5 minutes to activate the internal battery for initial use. ?Continuously turn the Hand Crank at speed of 130-150 RMP/min to generate power. Unit will be fully d in 4hours. ?One min of cranking supports 20 minutes of light&10-15 minutes of radio usage at medium volume. SOLARPOWER ?Expose the radio solar panel in direct sunlight. ?Solar panel will the entire device, including the radio, flashlight and SOS alarm. ?It is mostly used formain taining the battery, toextend its life. ?Select FM/AM/WB with radio band. Extend the antenna to get better signal reception. ?TurnTuner Dial to selects tation. Green tune in dicator turns on when the station selected is fully engaged. Specification: Frequency range?AM520-1710Khz / FM 87-108MHz / WB 162.400-162.550MHz Dimensions: 157X74x53mm/6.2x29x2.1in Weight: 310g/0.68b Power consumption: 2W(MAX) Working voltage: 2.7-4.2V Power By: Built in 2000mAh 18650 Li-ion Battery Waterproof level: IPX-3 LED flashlight: 1W/20LM Color: Red/Orange/Green/Blue Note: 1. Please allow 0.5-1 cm differences due to manual measurement.