1. Frequency range: 
- MW: 522-1620KHz(9KHz) / 520-1710KHz(10KHz) 
- SW: 4.75-21.85MHz 
- FM: 76-108MHz 
2. Lithium battery: 500Mah 3.7V  
3. loudspeaker: 28mm/6ohm/2W  
4. TF format: WAV, MP3  
5. Minimum operating voltage: 3.3V  
6. External power: DC 5V  
7. Product size: 88x46x18mm 
8. Standard accessories: usb cable, rope, color box, english manual, earplug