Portable FMAMSW Multi-Band High-Sensitivity Clock-Controlled Radio Player 1. Material: plastic 2. Select the table: manual 3. Sound quality selection: mono 4. Function: built-in speakers 5. Signal-to-noise ratio: FM52, AM54 (dB) 6. Rated voltage: 3V 7. Rated power: 2.5W 8. Corresponding frequency: FM 87-108MHz; SW 4.75-21.85MHz; AM 522-1620KHz (European regulations, applicable in China); 520-1710KHz (US regulations) 9. Coding chip type: pcba 10. Radio tuning method: pointer type 11. Band type: full band 12. Supported format: MP3 13. Battery specifications: 2 AA batteries (not included) 14. FMAMSW multi-band radio, strong signal, high sensitivity, and clearly listen to all mainstream radio channels. 15. High-performance internal magnetic speaker, large-sound cavity vibrator, thorough and clear treble, pure and full midrange, stable and powerful bass 16. Supports headphone output, standard 3.5mm headphone interface, which not only isolates external disturbances, but also avoids disturbing others. 17. Sensitive and stable and clear, antenna more durable 18. Digital display band, frequency, time and other information, the backlight will automatically light up during operation, saving power and durability 19. Path exploration lighting, home emergency or outdoor adventure, more guarantee 20. Dimensions: 135x71x33mm 21. Weight: 125g