AM / FM / SW / BT / TF full band stereo recorder with Bluetooth card REC recorder bass speaker MP3 player speaker with sleep timer Full-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 symbol 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 bass 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 experience The headphone output function allows you to immerse yourself in the musical world. High-quality speakers with bass diaphragm for crisp, clear sound Quick station / song selection: enter the radio frequency or song number directly. 3 integrated languages: Chinese, English, Spanish (optional). AM adjustment increments can be selected 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: BT5.0 Audio grid: MP3.WMA Screen resolution: 128 * 64 dots FM frequency range: 87-108 MHz AM frequency range: 522-1710 KHz SW frequency range: 4.75-21.85 MHz Number of radio stations stored: 100 Headphone output interface: standard 3.5mm stereo Audio input interface: standard 3.5mm two channels Charging data interface: Micro-USB-5P Power: 2 W Lithium battery characteristics: BL-5C Colour: black Material: plastic Size: 120*79*23mm Package Contents: 1 * K603 radio (with battery) 1 * USB charging cable 1 * Lanyard with stand Only the above package content, other products are not included. Note: Light shooting 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.