● Dfree Ultrasonic Although there is some soiling from storage in the box, the contents are unused. There are 7 in stock, and we will offer a bulk discount. We are waiting for your comments. Product Specifications ■ Main unit size (height x width x depth): 33 x 83 x 80mm ■ Sensor unit size (height x width x depth): 12 x 53 x 35mm ■ Main unit weight: 73g ■ Sensor unit weight: 13g ■ Power supply: Built-in lithium-ion battery ■ Operating time: Approximately 24 hours (full charge takes about 4 hours) ■ Accessories: Ultrasonic gel (60ml), mounting tape (50mm x 7m), charging USB cable ■ Communication method: Bluetooth 4.1 ---------------------------------------------------------------- Product Features Alerts you to the timing of going to the toilet in advance! Urination prediction device DFree Personal ■ Ultrasound measures bladder swelling Uses the same ultrasound as an ultrasound examination to capture changes in the bladder. Since it is harmless to the human body, you can use it with peace of mind. ■ App notifies you of urination timing A separate dedicated smartphone app notifies you of the timing of urination. You can customize the timing of receiving notifications to suit the surrounding toilet environment. ■ Works with smartphones Connects to your smartphone via BLE communication. You can use it with just the main unit and your smartphone, without a complex network environment. ■ Continuous operation for more than 24 hours Operates continuously for up to approximately 24 hours on a full charge. Once attached, you can continue your daily life in that state. ■ For various urination concerns Solves various urination concerns such as leaking, feeling like you're going to leak, anxiety about going out, and not wanting to wear diapers yet! ■ Compatible devices iOS 10.0 or later / Android OS 4.4 or later ------------------------------------------------------------…