* Cute, beautiful appearance and portable.
High sensitivity probe, 2.0MHz.
* Built-in 3.7V lithium rechargeable battery .

1.   All-in-one design, intergrated together probe and mainframe.2.  Cute, beautiful appearance and portable.3.  The indicator light will flash every six seconds to provide      pregnant women with counting convenience.4.  High sensitivity probe, 2.0MHz continuous ultrasound wave     working   principle.And fetus monitoring is much safer for the      ultrasound intensity is much lower than international security      standards.5. Built-in 3.7V lithium rechargeable battery provided, the volume is     enough for 5 hours detection work. 6. Standard battery charger provided.7. When the device is under operation mode for one hour without any     operation,the device will be shut off automatically for safety and     saving power.