Bone Conduction Headphone! Groundbreaking Headphones! Perfect Sound System! Color: Black Recommended Applications Industrial, Military User: When noise cancellation is required on mission. Senior People: When hearing ability is impaired related with eardrum. Heavy Music Listener: When feeling pain in the ear after long hours listening. Outdoor Activist: When situational awareness is needed for multi-tasking. Advantages When going out prevent accidents and protect from the risk of hearing loss Better performance: High quality sound & tone than HUA-503A (Folding products) * Suitable for online & language learning: The sound is transmitted to the hearing organ directly. Functions descriptions Call Button: Use to answer of hang up a call. Play/Pause button for mp3. Charging terminal: Connect the charge cable and charge terminal to the computer USB terminal to chare. You can also connect to your smartphone with an audio connection cable to listen to calls and listen to mp3 music. Power On/Off Volume: Adjust volume level LED Display: Indicates RED & BLUE color to suit your specifications (BLUE color: Power On, Charging Completed. RED color: Battery charging) 3.5Φ Jack port: Plug in the headphones to use Condenser microphone: Can use microphone function when telephoning. Specifications Model: HUA-503B Type: Bone Conduction Stereo Headphone Input Power: 40 mW (Max 120 mW) Impedance: 8 Ω Sound level: 88 dB Frequency Characteristic: 100~10 kHz Plug: 3.5Ø stereo plug Weight: 60 g Package: Bone Conduction Stereo Headphone, Amplifier Size: 175mm x 125mm x 75mm Net Wt.: 349.00g
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