Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

"SpecificationWorking mode: Continuous wave DopplerUltrasonic emitting frequency: 3MHzUltrasonic emitting power: <10mW/cm2Overall sensitivity at the distances 200mm from the face of the probeStand-by time: >4 hoursSuitable gestation: 12 gestational weeks or later， difference in pregnant materPower: 9V DC alkaline batteryOperating temperature: 5 - 40°COperating humidity: 0 - 80%RH， non-condensing Color: Pink Green If you have color demands，please leave message to us.If we don't receive your requirements for color， we will deliver in random color. Thanks for your understanding! Packing List:1 x Fetal Doppler (without battery)1 x Headset1 x Line-in Cable 1 x English user's manua