Features: FM/AM/SW Full Frequency Receiver. With clock and alarm function. Low power symbol, charge symbol display. Memory function. Supports MICRO USB connection power supply (Charging cable NOT included). Boot state, can be set to mute state and lock frequency function. With the power off the total button, you can prevent the radio from leakage or turn on automatically after shutdown. Button automatic backlight function, easy to operate at night. Short-wave default step value 0.005MHZ, the default step value of 9KH or 10K, FM default step value 0.05MHZ. In FM mode, plug in earphone and long press the " Memory" button about 2 seconds, it will appear " STEREO" sign. Long press the " Memory" button again, the " STEREO" sign will be canceled, or pull out earphone, the " STEREO" sign will be also canceled. There are two ways to save channel: manual/automatically search. Specification: FM Frequency Rang: 64-108MHZ SW1 3.2-5.945MHZ SW2 5.95-9.495MHZ SW3 9.5-11.645MHZ SW4 11.65-15.095MHZ SW5 15.1-17.495MHZ SW6 17.5-21.445MHZ SW7 21.45-21.9MHZ Specification: Type: Type 1 (MW tuning step is 10 KHz), Type 2 (MW tuning step is 9 KHz) (Optional) Type 1: Suitable for the following countries: North and South America:Fit for Brazil, Canada, Chile, Columbia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Panama, United States, Venezuela Asian: South Korea, Philippines, Taiwan, Southeast Asia: New Zealand Type 2: Suitable for other countries except the above countries. Number of storage stations: 60 (shortwave, medium wave, FM can store 20 radio stations). Single Signal Selectivity: better than 10dB Inside the Speaker: Diameter 57MM, 8 euro, 0.5 watts External Headphones: Diameter 3.5mm / 32Ω x 2 Battery: 2 x AA battery(NOT included) External Power Supply: External 3V-5V DC power supply Low Operating Voltage: 2V Stereo Resolution: ≥32dB Distortion: ≤1% Working Temperature: -15 - 80 (℃) Output Power: ≤220mW Dimensions: 125 x 77.25 x 21 (mm) Package Weight: 190g Quantity: 1pc Package included: 1 x Full Frequency Receiver Radio 1 x Earphone 1 x User Manual Note: The MW turning step is 10 KHz only used in United States, Canada, Mexico, Greenland and other North American countries, other areas is 9 KHz . .