FMAM Full-Band Channel Pocket Portable Pointer 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. Rated frequency: FM 87-108MHZ; AM 520-1710KHZ (HZ) 9. Coding chip type: pcba 10. Radio tuning method: pointer type 11. Band type: full band 12. Supported format: WMA 13. Battery specifications: 2 AA batteries (not included) 14. FMAM dual 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, 5-section 31cm telescopic antenna hidden protection, making the antenna more durable 18. Dimensions: 128x70x27mm 19. Weight: 110g