Roho Hybrid Elite Cushion Single Valve 18 x18 x4.25 Bath Shower Chair Accessories Optional wireless transmission eliminates transcribing 401010 Optional wireless transmission eliminates transcribing errors and saves considerable time OPERATION: Only 2 buttons to control the hearing aid❗ Press the "M" for a long time (3 seconds) to turn it on or off Combines the suberb skin protection and shape matching ability of ROHO DRY FLOATATION© with the stability of Jay© base technology * This new cushion design allows for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters * Cushion insert matches the individual s shape by adjusting the amount of air * Air cushion insert is easily cleaned with soap and water Cover with encased comfort foam is machine washable