Product Name: RC-Bc09 8ohm 250MW Bone Conduction Transducer for Headset Model NO.: RC-BC09 Brand: Recon WORD nChannels: 2.0 Usage: Monitor Radiation Mode: Indirect Radiation Type Style: Head-mounted Transducer Principle: Excited Speaker Cone: Rubber-edge Transmission Mode: Bone Conduction Category: Speaker Output Power: 8ohm 800MW Working Voltage: 1.8 V Size: 10.9*8.5mm Trademark: recon Transport Package: Carton Specification: 8ohm 800mW Origin: China Product Description 1 .Operating voltage(max):3.7Vpp2. Average working voltage:1.8 V3 .Sound pressure level:88dB @1kHz4.Average working current:180mA5. Impedance:8 ± 5%Ohm6.Frequency:100-5000Hz7. Rated input(W):250 mW8. Max input(W):800 mW9. Operation temperature: -20 to +60 deg11 . Storage temperature: -30 to +70 deg12 . Size: 10.9*8.5mm13. Model number : RC-BC09