Product Name: 8ohm 1W Bluetooth Bone Conduction Headphone Transducer Model NO.: RC-BC08A Distance version: Class A Specifications: HSP Color: Black Characteristics: Power Display Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 4.0 Usage: Mobile Phone Style: Headband Shape: Round Output Power: Max 1W Size: 15.3*6.9mm Trademark: recon Transport Package: Standard Specification: 8ohm 1W Origin: China Product Description bone conduction transducer for bone conduction headphone, sunglassSpecification:1 .Operating voltage(max):3.7Vpp2. Average working voltage:1.8V3 .Sound pressure level:88dB @1kHz4 .Current consumption(Max):200mA5. Impedance:8 ± 5%Ohm6.Frequency:100-5000Hz7. Rated input(W):300mW8. Max input(W):800mW9. Operation temperature: -20 to +60 deg10 . Storage temperature: -30 to +60 deg11 . Size: 15.3*6.9mm12 . Model number: RC-BC08Abone conduction headphone PCBA solutionwe provide from ideal,design,manufacturing,assembly ,testing service, fast delivery,good quality.we can design the PCBA as your requirment too, we provide bone conduction transducer ,headphone case tooling manufactureing.welcome to contact with us.