Product function introduction:Function : Built-In SpeakerStyle : PortableCertification : CEType : AM / FMPower Supply : Rechargeable Battery PackBody Material : PlasticPackage : YesScreen : YesDimensions (WxHxD) : 9*5*4cmModel Number : HRD-700/701Bluetooth : YesWIFI : Nocolor : ArmyGreen/Desert yellowweight : 0.1kgPlay format : MP3,WMA,WAVsize : 88*53*37cmDescription of HRD-700 multimedia music player:FM 87-108 MHzAM520-1710 KHzSW5.70-17.90 MHzWB162.400-162.550MHzThis product has the following features:1. This product uses software programming to achieve full-band radio reception of FM, medium wave, short wave, WB (weather band in North American countries), with strong receiving sensitivity.2. This product uses high-tech audio technology, can be connected to Bluetooth wireless music transmission and playback, and can support up to 256G TF card music format playback.3. In the radio mode, this product supports coding pulley switch tuning, pressing the button to automatically search and store the station, and pressing the button to get the station, giving users a brand-new experience.4. The tuning key of this product adopts coded pulley tuning, 0-9 level selection.5. This product uses BL5C 1000MAH lithium battery, which has a long battery life. The battery is detachable to extend the service life of the product.6. This product is in Bluetooth, TF card music playback mode, and supports six types of audio EQ settings:1: Normal (NORMAL), 2: Pop music (POP), 3: Rock music (ROCK), 4: Jazz music (JAZZ),5: Classical music (CLASSIC), 6: Country (COUNTRY)7. This product can set the shutdown (sleep) time, you can set 70-60-50-40-30-20-10 minutes of sleep.8. This product is using medium wave receiver, the user can choose 9KHZ/10KHZ medium wave step value, there is no national boundary restriction.9. In the radio mode, the product can be set to enable the backlight display, and the backlight can be turned off.10. This product is in radio mode and can memorize 110 radio stations.(Frequency modulation/medium wave: each store 20 radio stations, short wave seven meter waves, each meter wave can store 10 each)