amazon hot selling ultrasound home portable fetal doppler heartbeat monitor for pregnant with low price

Fetal Doppler is used for detect the Fetal Heart Rate ( FHR ) to hear the sound of 12 weeks pregnancy in hospital, clinic even at home.

 Ultrasonic working frequency: 3.0MHz (2.5MHz and 2.0MHz are optional, the deviation from the nominal rated acoustic working frequency is not more than ±5%.) 

Comprehensive sensitivity: at a distance of 200mm from the probe surface, the comprehensive sensitivity is not less than 90dB.

Display range: fetal heart rate measurement display range 65bpm-210bpm. In the range of 65-210bpm, the error: ±2bpm (digital type).

Ultrasonic output power: <20mW.

Space peak time peak sound pressure: <0.1MPa

The effective area of the sensitive components of the ultrasonic transducer:1.57cm2±30%.
Fetal heart rate detection resolution: 1bpm. 

The error of fetal heart rate measurement :not more than ±2bpm

Electromagnetic Compatibility: Group I Class B

Q1: What ’s your MOQ?

Depends on different items. We can accept small qty to start the cooperation.

Q2:Can you provide OEM or ODM service?
A1: Yes, we have strong developing team and R & D team and a professional regulation group. The products can be made according to your request.

Q3: What is the sample lead time & production lead time?
A3: Need to confirm before making samples,normally 5 ~ 7 days after received your sample fee. The production lead time is about 7-10 days.we have a big production space to catch fast delivery.

Q4: What ’s your payment terms?
A4: 30% deposit, and balance before the shipment. We can show you the photos of the products and packages before you pay the balance if you need.

Q5: What's your quality guarantee period?
A5: normally,12 months from shipment.some items can be longer.

Q6:Can we visit your factory?

A6:Yes,welcome to visit and discuss the cooperation.