["Description:\r\nBone Conduction Module/Bone Conduction Sensor /Minimum Bone Conduction Horn for Deafness supplies\r\n\r\nPackage included:\r\n1 * Bone Conduction Module Sensor\r\n\r\nSpecifications:\r\nGD01:\r\n Dimensions: 21.5*14*7.9mm\r\n Power Nominal input 1.5W, Maximum input 3W\r\n Average voltage :3.7 V\r\n Operate (Max) :12 V\r\n Nominal Impedance :4.5Ω±15% test @200Hz 3 v\r\n Resonance frequency :300-19000HZ\r\n Sound pressure level (minutes) :In the for case of 88-1kHz decibels\r\n Current consumption (maximum): 600MA\r\n Distortion :5% less\r\n Operating temperature :-20---60° C\r\n Storage temperature: -30---+70 ° C\r\n\r\nGD02 \r\n Dimensions Dimensions: 12.6*6*4 mm\r\n Power rated :power Nominal input 1 for W, maximum power Maximum input 2W\r\n Average operating voltage: 3.7 V\r\n Operating voltage (max): 8 V\r\n Electrical Characteristics: Electrical specification\r\n Nominal Impedance Nominal Impedance 8Ω±15% test @200Hz 3 v\r\n Resonance frequency :300-19000 Hz\r\n Sound pressure level (minutes) :in the for case of 88-1kHz decibels\r\n Current consumption (max) :300 mA\r\n Distortion rate Distortion :5% less\r\n Working temperature: -20 to 60 ° C\r\n Storage temperature :-30 to +70 ° C\r\n\r\nGD05\r\n Dimensions Diameter: 16.8*6.8 mm\r\n Power rated:power Nominal input 1W, maximum power Maximum input 2W\r\n Average operating voltage :3.7 V\r\n Operating voltage (max): 8 V\r\n Electrical Characteristics: Electrical specification\r\n Nominal Impedance Nominal Impedance 8Ω±15% test @200Hz 3 v\r\n Resonance frequency:300-19000 Hz\r\n Sound pressure level (minutes): in the for case of 88-1kHz decibels\r\n Current consumption (max) :300 mA\r\n Distortion rate Distortion: 5% less\r\n Working temperature: -20 to 60 degrees Celsius\r\n Storage temperature :-30 to +70 ° C"]