Specifications:

• Suitable Using Range: Suitable for Use After the 12th Week of Pregnancy
• Probe Diameter: 30mm/1.18in
• Origin: China Mainland
• Model Number: Fetal Doppler
• Minimum Measurable Gestational Week: 12-14 Weeks
• Brand Name: agdoad
• Bettery: 2*AA Battery(Batteries are not included)
• Working Frequency: 2.0MHz±10%
• Support: / Fast /