Contec cms50d-BT software usb fingertip pulse oximeter
Novama Pulzný oximeter s Bluetooth Respire Blue CMS50D-BT | Pilulka.sk
Amazon.com: CMS50D-BT Upgraded Version of CMS50D Plus - 24-Hour Memory, Data Can Be Stored & Uploaded to Computers with USB Cable, for Home & Sports Use, with Lanyard, Blue : Electronics