Bluetooth Radio Headphones Wireless Cancelling Headphones with U94 PTT for Xiaomi 1S2S Walkie

Feature: 1. [Special Design for] Heavy duty noise cancelling headphones. Designed for airports, racing cars, docks, mining and other noisy places, the headphones are rugged and easy to use. 2. [Adjustable and Easy to Use] PU coil plug connection design, stretching length up to 2.5m8.2ft, suitable for different height requirements, sealing sponge ear sleeves can be replaced, adjustable length of the ear rod to adapt to different people. 3. [Button Design and Compatible] The PTT button is located at the bottom of the earmuff, and the red button is gently touched to transmit calls. Suitable for Xiaomi 1S2S intercom. 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. [Applicable Group and Widely Used] It is suitable for the staff who use the communication machine in special places such as racing car, dock and aerial work. 6. [Covenient to Use] The U94 PTT comes with clips that can be attached to clothes or belts. Button activates PTT (one button on) device. Communicating with others is safer and more convenient. Specification: Item Type: Radio Headphones Material: PU + ABS Color: Black Microphone Specifications Sensitivity: -44+-3dB at 1kHz Rated Impedance: 680 Ohm Product Frequency: 20HZ-160HZ Operating Voltage: 1.5V-4.5V Directional Function: Single Pointing, Noise Cancellation Loudspeaker Specification Horn Size (mm): φ36mm1.4in Rated Input Power: 0.5W Maximum Output Power: 1W Sensitivity: 100+-3dB Speaker Impedance: 8 Ohm Wire Specifications Durable Temperature: 60 celsius -30 celsius . Package List: 1 x U94 PTT1 x Radio Headphones