telephone handset

Headphones produce: KOONTECH Company can design and manufacture headphone group to meet the customer's requirements and specifications while using various precision instruments to inspect the quality of products. With the performance excelling the national standard, the headphones have passed the test carried out by National Telephone Quality Supervision and Inspection Center. Features: 1.Headphone is made of special engineering polymer for excellent impact resistance and weather resistance. 2.Self-lock device is introduced, removable and easy for maintenance. 3.T and R part are imported (can be supplied also specified by customer) 4.Helix coil is made of SUS304 for high elasticity and good flexibility and tensile force is tested to be over 1500N. 5.Teflon core wire is found and introduced for excellent flame resistance and high capability to withstand voltage. 6.Insulation is tested to be over DC500V. 7.The specification and length can be made to meet the customer's requirements. 8.Steel wire can be selected and mounted in the headphone group with tensile strength over 200kg. 9.Three options are available for the surface finish: cloudy, polished and colored. Currency: USD Unit Price: Quantity: Delivery: