1. Name: 2 Pins 0.78mm double needle Convex Female Socket 2. Specifications: Convex Female Socket 3. of application: 0.7~0.8 double needle 4. Material: High-quality toughness and high-temperature high-quality PC 5. of application:0.7~0.8mm double needle Headphone Cable type: Headphone Plug color:Black Material:PC+Metal size:8.1 x 6.0mm Package Contents: 2 x 2 Pins Jacks Headphone Plug Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.