HanRongda HRD-701 Portable Full Band Radio Subwoofer Bluetooth TF Card Digital Display Radio 1. Clear sound quality, full frequency radio 2. Easy to operate and easy to carry 3. FM radio function, strong radio signal, automatic radio reception, high sensitivity, and self-adaptive application, more radio stations, clear sound 4. Digital display full band broadcast reception, bluetooth MP3 player 5. Channel selection mode: manual, automatic, memory 6. TF card playback format: support MP3 WAV WMA format 7. Speaker: diameter 40mm4ohm3W 8. Band type: full band 9. Radio storage number: 96 10. Radio tuning method: automatic channel selection 11. Bluetooth version: VER 5.0 12. Battery specification: 3.7V 1000mAh 13. Rated power: 3W 14. Rated current: less than or equal to 650mA 15. Static current: less than or equal to 60 Vian 16. Power supply mode: USB chargingbuilt-in lithium battery 17. External input voltage: DC: DC 5v 18. Receiving frequency range: FM: 64-108MHZ; MW: 520-1710KHZ; SW: 4.750-21.850MHZ; WB: 162.400-162.550MHZ 19. Receiving sensitivity: FM: less than or equal to 8dB; MW: 3uVM; SW: 40dBuV 20. Signal-to-noise ratio: FM: greater than or equal to 40dB; MW: greater than or equal to 30dB; SW: greater than or equal to 40dB 21. Encoding chip type: DSP 22. Function: USB interface, digital display, automatic shutdown 23. Audio channel: double channel 24. Material: ABS 25. Size: 88x53x37mm 26. Weight: 100g