The product is compact and portable. With built-in 700mAh lithium battery capacity, it offers long service life. It is an entry-level product for radio enthusiasts, an auxiliary product for off-road enthusiasts (VHF channel), and can provide flight information for frequent flying users. Features: Mini size and light weight, convenience for hiking, take a bus or walking. Including FM/AM/SW/ CB/Air/VHF World Band, delivering large numbers of programs for you to enjoy. A good product for radio enthusiasts, off-road enthusiasts and frequent flying users, easy to use. Retractable 6 sections antenna and an extending antenna help to enhance the receiving signal of your radio. With built-in 700mAh lithium battery capacity, it offers long service life. Specifications: Product No.: HRD-737 Product Name: Portable Radio Frequency: FM: 87.5-108MHz (100KHz STEP) AM: 520-1720KHz SW: 2.3-30MHz CB: 25-28MHz AIR: 118-138MHz VHF: 30-223 (FM-N / FM-W) Speaker: 40mm 8 1W Power Supply: DC 5V Battery Capacity: 3.7V 700mAh Lithium Battery Item Size: 10.5*6*1.5cm / 4.13*2.36*0.59in Item Weight: 75.4g / 2.65oz Package Size: 13.2*8.7*4.7cm / 5.20*3.43*1.85in Package Weight: 216.8g / 7.64oz Color: Black / Gold (Optional) Packing List: 1 * Portable Radio 1 * 3.5mm Earphones 1 * Extending Antenna 1 * Charging Cable 1 * Lanyard 1 * User Manual