Real-time display:LED oversized LCD display, radio frequency, play mode, battery level and other information display. Digital station/track selection:When we want to listen to a certain radio station or track, we can quickly listen to it by directly inputting the number. Power failure automatic memory:Power failure memory, no matter it is a sudden power failure or power off, from where it stops, it starts, TF memory card playback and radio station memory. Enhanced extended antenna:DSP digital tuning radio chip, FM FM, MW multi-band broadcasting, receive a stronger and more stable signal. Wireless Bluetooth playback:Equipped with a high-speed Bluetooth chip, it can stably connect to smart audio devices such as cell phones, tablets, laptops, etc. Multiple Listening Options:In addition to listening to radio, you can also insert a TF memory card to play MP3/WMA music, 3.5mm headphones to listen to, more than one mode, more than one listening experience. 1100mAh Large Capacity:Built-in 1100mAh high-capacity lithium battery, Type-C charging cable charging, low power design, get rid of power anxiety. Product Name: MI04 AM FM mini radio Frequency Range FM 76-108MHz AM 522-1710 KHZ(9KHZ) 520-1710KHZ(10KHZ) Battery: Polymer 1100Mah 3.7v Receiving sensitivity: AM: ≤20mV FM≤ 2.5UV Signal-to-noise ratio: AM: 30dB FM: :45DB Maximum output power: 1W External power supply: TYPE-C 5V Maximum playback current: AM: 540MA, FM: 520MA External audio port: Φ3.5MM/32Ωx2 Three ways to search stations: manual search/semi-automatic search/full-automatic search Number of stations:30 Color: A:black Material: plastic Package Contents: 1 x FM AM Radio 1 x USB Cable 1 x Headphone 1 x English instruction manual