Features 1、[Applicable Occasion] The radio headphone is special design for airports, racing cars, docks, mining and other noisy places, the headphones are rugged and easy to use. 2、[Convenient to Use] PU coil plug connection design, stretching length up to 2.5m/8.2ft, suitable for different height requirements, sealing sponge earcase can be replaced, adjustable ear rod. 3、[Applicable Group] The hearing protection headphones are suitable for car racing, dock, aerial work and other special places to use the communication of the staff. 4、[High Toughness] U94 PTT part adopts high strength PTT, can continue to press 30,000 to 50,000 times. The wire adopts cold resistant PU tensile wire, with high flexibility and toughness. 5、[Safe and Reliable] The U94 PTT comes with clips that can be attached to clothes or belts. Button activates PTT (push to talk) device. Communicating with others is safer and more convenient. 6、[Button Design and Wide Compatibility] The PTT button is located at the bottom of the earmuff, and the red button is gently touched to transmit calls. Suitable for Baofeng UV 9R UV 9R PLUS UV XR BF 9700. Specification Item Type: Radio Headphone Material: PU+ABS Colour: Black Stretched Length: Approx. 2.5m/8.2ft Applicable: Suitable for Baofeng UV-9R UV-9R PLUS UV-XR BF-9700 Microphone Specification Sensitivity: -44 ± 3dB at 1kHz Rated Impedance: 680Ω Product Frequency: 20HZ-160HZ Working Voltage: 1.5V-4.5V Directional Function: Single Pointing, Noise Cancellation Speaker Specification Trumpet Size (mm): φ36mm/1.4in Rated Input Power: 0.5W Maximum Output Power: 1W Sensitivity: 100 ± 3db Trumpet Impedance: 8Ω Wire Specifications Durable Temperature: 60℃ -30 ℃ Package List 1 x U94 PTT 1 x Radio Headphone