HRD-700/ Radio Music Player Coding Wheel Switch Tuning Search And Save Radio Stations Support Bluetooth TF Card Playback  Portable Radio Music Player Coding Pulley Tuning Full Band Broadcast Receiver Bluetooth-compatible TF Card Playback Outdoor Radio Stereo Feature: 1. This product adopts software programming to realize FM, medium wave, short wave, and WB (North American national weather band) full-band radio reception, with strong reception sensitivity. 2. This product adopts high-tech audio technology, which can be connected to Bluetooth-compatible wireless music transmission and playback, and can support up to 256G TF card music format playback. 3. In the radio mode, this product supports the tuning of the coding pulley switch, the button automatically searches and stores the station, and the button obtains the station, giving users a new experience. 4. The tuning key of this product adopts coding pulley tuning, 0-9 gear selection. 5. This product uses BL5C 1000MAH lithium battery with long battery life. The battery is removable to extend the life of the product. 6. This product is in Bluetooth-compatible and TF card music playback mode, and supports six audio EQ settings: 1: Normal (NORMAL), 2: Popular music, 3: Rock music (ROCK), 4: Jazz music (JAZZ), 5: Classical Music (CLASSIC), 6: Country (COUNTRY). 7. This product can be set to shutdown (sleep) time, and can be set to sleep for 70-60-50-40-30-20-10 minutes. 8. This product is a medium wave receiver, the user can choose 9KHZ/10KHZ medium wave step value, no border restrictions. 9. In radio mode, the product can be set to turn on the backlight display and turn off the backlight. 10. This product is in radio mode and can memorize 110 radio stations. (FM/MW: each station can store 20 radio stations, short wave 7 meters, each 10 meters can be stored) Specification: Receiving range: MW: 522-1620KHZ (medium wave step value 9KH) 520-1710KHZ (medium wave step value 10KHZ FM:87-108MHZ SW:5.70-17.90MHZ WB:162.400-162.550MHZ Receiving sensitivity: FM: ≤8dB MW: ≤86dB SW: ≤32dB Quiescent current: ≤60uA Maximum current: <650MA Speaker: 40mm/4Q/3W Signal-to-noise ratio: FM: 240dBmW: ≥30dBSW: ≥40dB The number of radio mode storage: 110 can be stored (FM 20, medium wave 20, short wave 70) Bluetooth-compatible version: VER 5.0 Bluetooth-compatible receiving distance: ≤10 meters Minimum operating voltage: 3.4V External input voltage: DC: DC.5v Lithium battery: BL5C lithium battery: 3.7v 1000mAh TF card playback format: support MP3 & WAV & WMA format TF card maximum support capacity: 256G Channel selection method: code pulley switch to adjust the station / automatic search and storage station Product weight: about 100g Packing weight: about 230g Product size: about 88*53*37mm/3.46*2.09*1.46 inch Packing size: about 135*125*50mm/5.31*4.92*1.97 inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement.