Features: This 2 pin radio headphones with a pickup is consistent, and Jianlin bidirectional radios, highlighting opposition and sensitivity for distinct and clear communication. Developed for use in noisy conditions such as security, eateries, hospitals, and depots, this radio headphones ensures clear communication with its advanced sound rehabilitation technology. The radio headphones includes a detachable and replaceable air tube, allowing for flexible and comfortable use during extended periods of action. Hard wearing a remote and pickup, along with a strong clip, this radio headphones enables grasps complimentary communication, making it accessible for users traveling. The security headphones features soft earplugs that fit comfortably in either ear, reducing external noise through the air tube to deliver distinct even in loud conditions. Specifications: With otherwise lacking microphsinglemail: Yes Foreign: 2.5/3.5 (Φmm) Wire lengthelhellnonbeing: 1.2 (m) Horn diameterebog: 35 (Φmm) Sensitivity: 105 Frequency response extent: 100 160 (Hz) Deformation ratemail: 54 (%) Impedancemail: 20 (Ω) Package Includes: Headphones note: Please allow 1-2cm errors due to manual measurement