AM / FM / SW / BT / TF full band stereo recorder with Bluetooth card REC recorder speaker MP3 player speaker with sleep timerFull-band AM / FM / SW / BT / TF stereo recorder with Bluetooth and card recording, audio line, input recording, stereo headphone output, replaceable external lithium battery.Transmission of computer data: Use MicroUSB data to connect the machine to the computer. Briefly press any key on the machine and the computer will automatically install the driver software.The computer connection appears on the machine screen, indicating that the connection is successful. At this time, the computer can read, copy and delete the machine. The internal TF card file {can be used as a card reader}, can also be used as an external USB computer speaker. {Note that some computers with different configurations may not be compatible}The K603 with portable wireless Bluetooth radio has all the features you need: FM / AM / SW band, and also has 3 recording modes, a music player that can play MP3 and WMA files. You can record your favorite music or talk show on the radio, and you can use the built-in microphone to record external sounds. This versatile radio not only allows you to enjoy the pleasure of radio, but it also brings you great pleasure.Focus on:Bluetooth function connects to your mobile device for more experienceThe headphone output function allows you to immerse yourself in the musical world.High-quality speakers with diaphragm for crisp, clear soundQuick station / song selection: enter the radio frequency or song number directly.3 integrated languages: Chinese, English, Spanish (optional).AM adjustment increments can be from 9 K / 10 K.Sleep timer up to 90 minutes.Repeat mode: all / one / folder.Adjustable LIQUID CRYSTAL DISPLAY.Specifications:Support memory type: Flash Trans card{Not included, sold separately}Bluetooth version: BT5.0Audio grid: MP3.WMAScreen resolution: 128 * 64 dotsFM frequency range: 87-108 MHzAM frequency range: 522-1710 KHzSW frequency range: 4.75-21.85 MHzNumber of radio stations stored: 100Headphone output interface: standard 3.5mm stereoAudio input interface: standard 3.5mm two channelsCharging data interface: -USB-5P: 2 WLithium battery characteristics: -5CColour: blackMaterial: plasticSize: 120*79*23mmPackage Contents:1 * K603 radio (with battery)1 * USB charging cable1 * Lanyard with standOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.