Optimum Comfort Gel Cushion 16 x 16 x 3 Jobst Ulcercare Ultrasonic Pocket Doppler * Easy Style:Pair (Left & Right) Ultrasonic Pocket Doppler * Easy to use * Compact design * Interchangeable waterproof probe (sold separately) * Built in audio recorder * Large backlight LCD display * Accurate FHR detection with high fidelity sound effect * Support waterproof probes for both obstetrical and vascular usage * Auto Average and Manual working modes * Various power supply solutions * Automatic power off to save power * 9V alkaline battery Knee High ( Open Toe) * Beige * 30 40 mmHg * X Large Full Calf * Ankle Circ Optimum Comfort Gel Cushion (16 x 16 ) * Unique channeled gel bladder prevents gel migration in high pressure areas * Gel channels provide relief over the entire cushion area * Foam base provides additional support * Inner foam core has a liner to protect the integrity of the foam * High end cover with straps