Commountain Single Wire Surveillance Earpiece/Headset Kit Features: -Single Wire Surveillance kit with Quick-Disconnect Acoustic Tube -Surgical Grade UV Resistant Acoustic Tube, Comfortable & Durable -TPU cable Reinforced by Aramid Fiber, High Strength & Durability -High Performance Speaker & Microphone Enable Sound to Be Transmitted Clearly Even in Loud Environment -Rugged PTT/Mic with High Feedback PTT Switch&Stainless Steel Swivel Clothing Clip -Rugged Connector Built for Stable Connectivity & Reliability Dimension Specification: -Dimension of Mic/PTT Housing: 1.42x0.75 inch (HxW) -Cable Length Between Connector and Mic/PTT: approx. 32 inch (Standard Version), approx. 39.5 inch (Longer Version) -Cable Length Between Mic/PTT and Ear tip: approx 22 inch -Cable Diameter: 2.8mm, 2.5mm Speaker Electric Specification: -Type: Electret Speaker -Impedance: 90O±15% at 1.0KHz 1.0V -Rated Input Power: 0.01W -Sensitivity: 115dB±3dB -Frequency Response: 0Hz-12KHz Average SPL-10dB -Distortion: 10% Max at 1.0KHz/1.2mW Microphone Electric Specification: -Type: Condenser Microphone -Output Impedance: 2.4KO±10% -Sensitivity: -43dB±2dB (1V/Pa) -Frequency Range: 50Hz-10KHz -Directivity: Omni-Direcctional -Working Voltage: 2V (10V Max.) Compatible for Motorola MOTOTRBO Radios As Follow: SL300 SL3500e SL7550 SL7550e SL7580 SL7580e SL7590 SL7590e SLN 1000 TLK 100 TLK 110 (SL 300 SL 3500e SL 7550 SL 7550e SL 7580 SL 7580e SL 7590 SL 7590e SLN1000 TLK100 TLK110)

High Strength Connector: With TPU (Thermoplastic polyurethane) rubber jacket, internal hard core and Nickel-plated brass plugs, assembled by precise soldering technology and molding technology, the connector is built for stable connectivity and excellent operating life. Super Strength Cable Module: TPU (Thermoplastic polyurethane) cable bring super bending strength, abrasion resistance and scratch resistance; Cable internally reinforced by high tensile strength fiber and Kevlar fiber bring excellent tensile strength; Strain relief structure made of TPU rubber bring stronger bending strength and longer lifespan; This cable module is built for mission critical use. Clear Sound Transmission: With professional acoustic tube module, high quality micro speaker, noise reduction microphone, high purity copper wire cable and anti-Interference circuit design and our great assembly skills, this earpiece ensure sound to be received and transmitted clearly even in loud environment. Professional Acoustic Tube Module: Super quality TPU acoustic tube provide durability and flexibility; Ear-hook and elastic coil made by precise forming technology makes your wearing more comfortable; Acoustic tube joints made of anti-cracking & wear-resistant plastic bring reliability and prevent scratching; High performance micro speaker and acoustic tube ensure sound to be transmitted clearly even in loud environment; A variety of accessories meet different ear wearing choice. Warranty & Compatibility & Note: 12 months worry-free warranty; Compatible with Motorola radios SL300 SL3500e SL7550 SL7550e SL7580 SL7580e SL7590 SL7590e SLN 1000 TLK 100 TLK 110 (SL 300 SL 3500e SL 7550 SL 7550e SL 7580 SL 7580e SL 7590 SL 7590e SLN1000 TLK100 TLK110); This is not Intrinsically Safe earpiece, Don't use it in hazardous areas; This is not water-proof earpiece, Don't use it under humid environment and rainy day.