what's new for new model.
●Less vibration contrary to bone conduction earphone.
●the size of earphone is now 12mm compared to old model of 14mm . Fits well to people with small ear.
●Special urethane ear cushion offers comfortable wearing.
●Cord do not twine and can be adjusted to the preferred length with the 0.7m extension cord.
●Comes with a carrying pouch.

Model number : GD-S-SB2
●Bone Conduction Earphone(water-resistant) Specification
Type : Dynamic
Driver unit : 12mm
Sensitivity : 62±3dB
Frequency : 20Hz〜10,000Hz
Max. input : 100mW
Impedance : 8Ω
Weight : 15g(with cord)v Plug : φ3.5 stereo
Cord length : 1.05m(0.35m + extension 0.7m)/Y cord
Color : Black

●Earsonic Microphone Specification
Frequency : 80Hz〜10,000Hz
Sound pressure : 125±10dB
Accousitc gain : 44dB
Current draw : Lowever than 13mA
Battery Life : Approx. 100hours(AAA1.5V×2)
Jack : φ3.5mm stereo
Size : W32×H25×L95mm
Weight : 50g(including batteries)
Material : ABS resins

*Sound of Bone conduction is the sound generated in the normal conversation. Please feel ease as there is no health problem.