This two pack of Orku Heated Knee Massagers is designed to provide controlled warming, adjustable air compression and gentle vibration for everyday use on the knee or elbow areas. Each electric device operates independently and includes selectable levels, timer options and a built in lithium ion battery charged through a Type C connection. Sizing and Fit: Wrap style design with three securing straps. Approx. suitable knee circumference: 30 to 50 cm. Also suitable for elbows within similar circumference range. Strap lengths (tip to tip): Top 36 cm, Middle 22.5 cm, Bottom 27 cm. Velcro contact area: approximately 6 to 8 cm. Provides warming, gentle vibration and a snug wrap-style fit for comfort. Not designed as a clinical or intensive massage device. Features: No standalone lithium batteries are sold with the product. Warming, gentle vibration and air compression modes with three selectable levels. Five timer options from 10 to 30 minutes. Built in lithium ion battery in each device with Type C charging. Touch control LED panel for mode selection. Specifications: Model: KWK815. Battery per device: 3.7 V 5000 mAh lithium ion polymer, 18.5 Wh. Heating levels: 50, 55, 65 degrees Celsius. Timing options: 10, 15, 20, 25, 30 minutes. Approximate device size: 32 x 30 x 10 cm. Device weight: 610 g each. Charging port: Type C. UN Number: UN3481. Package Includes: 2 x Knee Massagers. 2 x Charging Cables. 2 x User Manuals.
