1. PRODUCT DETAILS: TEF6686HN premium DSP chip, FM (65 to 108MHz) and SW MW LW (144 to 27000KHz) radio range.2. LCD DISPLAY: FM radio receiver is equipped with a 3.2 inch LCD display screen, with a built in speakers, and support for headphones(not included).3. EASY TO USE: The radio receiver is equipped with a type C charging interface, large capacity lithium battery (3500 mAh), with a 75 cm rod antenna.4. ALUMINUM ALLOY HOUSING: Made of premium aluminum alloy material, this radio receiver has a strong shell, corrosion resistant and scratch resistant, ensures a long service life.5. EASY CARRYING: Compact size and being light in weight make the radio receiver easy to carry for convenient use. Use anywhere you want.Spec:Item Type: DSP Digital Radio Receiver Material: Aluminum AlloyBattery: battery x 1Battery Capacity: 3500mAh (shipped with built in battery)TEF6686HN premium DSP chipFM (65 to 108MHz) and SW MW LW (144 to 2700KHz)How to Use:Key Features:BW:1. Short press the BW button on the panel to adjust the bandwidth of receiver processing (56kHz, 64kHz, 72kHz, 84kHz, 97kHz, 114kHz, 133kHz, 151kHz, 168kHz, 184kHz, 200kHz, 217kHz, 236kHz, 254kHz, 287kHz, 311kHz, automatic).2. Long press and hold the BW button to switch between stereo and normal sound.3. When the power is turned off, pressing and holding the BW button to turn on the machine can change the TUNE rotation direction.Mode:1. Short press MODE to switch between automatic frequency adjustment and manual frequency adjustment. Under automatic frequency regulation, the receiver can automatically search for channels by simply turning the tuning once. In manual frequency adjustment, it is necessary to adjust the frequency parameters by pressing and rotating TUNE.2. Press and hold the MODE button to enter menu mode and modify the underlying parameters. It is not recommended to modify the default parameters.3. When the