H-905B-2

Introduction:  H-905B Bone Conduction Wireless Bluetooth Ear that allow you to tune in to music or callswithout tuning out the world, all with complete wireless freedom. Our open ear bone conduction headsets guide mini vibrations through your cheekbones to your inner ears, ensuring you can be open to ambient sound, even when you’re plugged in, and working out or on the go. Our patented open ear design guides mini vibrations through your cheekbones to your inner ears, delivering stereo sound without plugging or covering them. Sound waves travel directly to the cochlea, bypassing the eardrums completely—an alternative for anyone concerned about potential hearing damage caused by traditional heads and ear buds, and even a solution for those with certain forms of hearing loss. Feature:1. This product is designed skillfully to adopt the tech. of bone conduction, 2. Build-in stereo of CLASS-D3. Perfect Sound: Low frequency vigorous, intermediate frequency full round and high frequency crystal clear let the entirety rich with flexible layers sound.4. Fit for the use of swimmers and runners.5. Humanity designing solves the past problem of connection. 6. The waterproof grade exceeds IPX10 and can be no problem to dive with this product within 3 meter under water. Application: Swimming, Surfing, Sailing, Running, Riding  Technical Parameters:Model Description 905BMemorynoOutput powerright and left channel 1.5W*2 (4Ω)Input Sensitivity≤400mVSNR≥82dBDistortion≤0.7%InputDC 3.7VWorking Voltage2.8-4.2VSpeakerBone ConductionBattery Working Time8 hoursVolumecan be adjustedCharge Time4 hoursUnderwater3 Meters Accessories:1. Bluetooth Ear X 1 set2. Power Adapter X 1 pc.3. Product Description X 1 copy4. Certification of Product Qualification X 1 copy5. 2.0 USB LineWarranty: Lifetime warranty, One year free limited warranty free parts   


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