Check the listing for details. Pepultech Pulse Oximeter OSASleep01. Condition: Used, Made in China. Listed at 89.99 USD. The Pepultech Pulse Oximeter OSASleep01 is a wrist-mounted pulse oximeter from China that does not require a probe for its operation. It is designed by the brand Pepultech to provide accurate and easy-to-use oxygen saturation monitoring for healthcare, lab, and dental professionals. With a compact and portable form factor, this pulse oximeter is ideal for individuals looking for a convenient and efficient method for tracking their oxygen levels. One opened and used fingertip attachment as seen in picture and one replacement that has been unused. the USB-C charger and cord are standar but not included. this device was used lately for 1 to 2 weeks. app and instructions for this wrist monitor are to be downloaded from the manufacturer's site