Two-way radio chargers

Model VHZ from Shenzhen Voxtech Co. Ltd is a two-way radio that uses a dual-bone conduction speaker, receiving radio communications through the user’s facial bones. It is specially designed for use with military helmets.

The headset is submersible in water up to 2m deep for 4hrs. It has a behind-the-head adjustable frame, a silicon cover to protect the user’s skin on contact, and a head strap with Velcro. Its boom microphone can be positioned on the left or right side of the face.

At 1kHz, the microphone has -49dB sensitivity and 2Kohm impedance. The bone conduction speaker has 125dB sensitivity, 8ohm/30ohm DC/AC impedance and 0.5W to 1W input power.

The headset operates in temperatures within -30 degrees to 70 degrees Celsius. Storage temperature range is -50 degrees to 80 degrees Celsius.

The unit meets RoHS and CE requirements.