For Motorola GP340/GP338/GP328/GP320/GP140 HD01 7.1mm Single Ear Walkie Talkie Headphone with U94 PTT Adapter •Professional headset: Tactical Bowman Elite II headset widely used by special forces,designed for active combat and high noise applications •Practical: Allow headset to be worn under electronic protection or ear defenders,such as for Sordin Supreme Pro •Good sound quality: Vented type ear pad enables peripheral hearing or talk-through audio from electronic hearing protection •Angle adjustable microphone: Offer a low-profile and vented ear-cup and a flexible microphone boom which is mounted •Comfortable wearing: Three adjustable suspension straps allow for a comfortable fit and high stability •U94 PTT adapter: U94 PTT,the buttons feel good,and the large PTT is easy to operate •High-quality U94 PTT part: The U94 PTT part adopts high-intensity PTT,which can be pressed continuously for 30,000 to 50,000 times •Durable wire: The wire is made of cold-resistant PU tensile wire,which has high flexibility and strong toughness •Specifications: •Frequency response: 150Hz-500Hz •Sensitivity: 46-60dB •Impedance: 8 Ohms •Compatible Walkie Talkie: •GP140,GP320,GP328,GP329,GP338,GP339,GP340,GP360,GP380,GP640,GP680,GP760 GP1280 •MTX850,MTX850LS,MTX900,MTX950,MTX960,MTX8250,MTX8250LS,MTX9250 •HT750,HT1250,HT1250LS,HT1550,HT1550XLS •PTX700,PTX760,PTX780 •PRO5150,PRO5350,PRO5450,PRO5550,PRO5750,PRO7150,PRO7350,PRO7450,PRO7550,PRO7750,PRO9150 Compatible with: •Motorola GP340 Package included: •1 x U94 PTT Headset Adapter •1 x Headset