3.5mm jack Tactical Smart Phone Throat Mic H&F-knee Voltage: 3V

Voltage: 3V

If you're looking for a high-quality knee brace that can help relieve knee pain and provide all-day support

installation is very simple

while the bottom layer prevents them from coming up

Mop Head Material: PP

3.5mm jack Tactical Smart Phone Throat Mic H&F-knee Voltage: 3VTactical Throat Mic: Transmit sound by your throat vibration rather than microphone. This Smart Phone Throat Mic will only transmit your voice and will not pick up ambient sound, highly sensitive will pickup low voices & even whispers. A telescopic design and built in noise cancellation compression sponge ensure clear communication even in extremely noisy environment. Comfortable to Wear: Made by high sensitivity transparent flexible air duct and