• Electromagnetic compatibility (EMC) in accordance with industry standard IEC60601-1-2:2007
• Length:900mm
• Resistance Type: NTC/YSI400/2.252K@25℃,NTC/Ohmeda/10K@25℃
• Sleeve material: Medical grade PVC
• Memory foam materials, prevent the injure and insulate ear canal from the outside environment
• Easy to place