Specifications:

• Brand Name: TZT
• External earplugs: Diameter 3.5MM/18Ωx2
• External power supply: DC 5V
• Frequency range: AIR: 118-138MHZ
• Frequency range: AM: 522-1620 KHZ (9KHZ), 520-1710KHZ (10KHZ)
• Frequency range: FM: 76-108MHZ.
• Lithium battery: 400Mah 3.7v
• Minimum working voltage: 3.3V
• Origin: CN(Origin)
• S: 70261
• Sensitivity: AM: ≤20mV/m, FM: 8Uv, AIR: 2uV
• Certification: NONE