1、LARGE SPEAKER DESIGN: The multi function radio has loud speaker, 4 inch large diameter, 8W speaker, loud and stable frequency response. 2、NOISE REDUCTION: The portable radio adopts multi band chip and noise reduction chip, for wider station search and less noise. 3、SUPPORT MULTI MUSIC FORMATS: This full band radio supports a variety of music formats, including MP3 and WAV lossless music formats. 4、AUTOMATIC STATION SEARCH: AM FM SW radio, support one key automatic station search, convenient and fast station switching. 5、MULTIFUNCTIONAL: The radio supports Bluetooth wireless music playback, Memory Card and USB card music playback, timer on, sleep auto off and mute. Item Type: Multifunction Radio Material: ABS Receiving Range: AM: 522-1710KHZ, FM: 64-108MHZ, SW: 2.3000-23.000MHZ Receiving Sensitivity: AM: 84dB, FM: 18dB, SW: 26dB Static Current: ≤150uA Maximum Current: ≤800mA Speaker: 4 Inches, 4Ω, 8W SNR: FM:40dB, AM:30dB, SW:32dB Number of Stations Stores In Radio Mode: 110pcs BT Version: VER 5.0 BT Receiving Distance: ≤10m/32.8ft Memory Card: Memory Card Maximum Support 256G (Not Included) Battery: 4 x AA Batteries (Not Included) 1 x Radio 1 x Charging Cable 1 x User Manual