1.Bone Conduction Transducer 2.Swimming teaching materials, 3.waterproof underwater 10m 4.Play MP3 and talkback microphone Function introduction:Suitable for entertainment enjoyment in life under the waterThrough a wireless host may lead various formats musicUnder the water by...

Ears-free, thus providing extended use comfort and safety No electromagnetic waves (EMW) Bone Conduction TransducerA. General DescriptionMost of what we hear is due to sound waves traveling through the air. Sound waves travelthrough the outer and middle ear before arriving at the...

Bone Conduction Transducer Swimming teaching materials, waterproof. Play MP3 and talkback microphone Bone Conduction TransducerA. General DescriptionMost of what we hear is due to sound waves traveling through the air. Sound waves travelthrough the outer and middle ear before...

Bone Conduction Transducer Swimming teaching materials, waterproof. Play MP3 and talkback microphone Function introduction:Suitable for entertainment enjoyment in life under the waterThrough a wireless host may lead various formats musicUnder the water by means of a bone...

Bone Conduction Transducer Swimming teaching materials, waterproof. Play MP3 and talkback microphone Function introduction:Suitable for entertainment enjoyment in life under the waterThrough a wireless host may lead various formats musicUnder the water by means of a bone...

Bone Conduction Transducer Swimming teaching materials, waterproof. Play MP3 and talkback microphone Training swimming...