Product Features: 1. Creative metal ear shell design, unique shape, exquisite and fashion appearance. 2. In-ear soundproof design, excellent sealing, good sound insulation. 3. High quality TPE whorl round wire to reduce transmission loss, ultra-resistant to pull and not easy to knot. 4. HD stereo sound quality, shocked bass effect. 5. High-fidelity microphone configuration to ensure clear voice calls. Product Parameters: 1. Brand Name: Lancaster / Langsdom 2. Wire Length: about 1.2m / 47.24in 3. Plug: about 3.5mm / 0.14in 4. Speaker Diameter: about 10mm / 0.39in 5. Color:Black/White/Red 6. Shell Material: ABS 7. Wire Material: TPE 8. Product Weight: about 31g 9. Packing Size: about 163*93*15mm / 6.42*3.66*0.59in 10. Impedance: 32Ω±15% 11. Sensitivity: 122dB±3dB 12. Frequency Response: 20Hz-20000Hz 13. Whether With In-line Control: yes 14. Microphone: Yes 15. Applicable Models: / forApple 16. Wearing Way: In-ear style Packing List: 1.Headset * 1 2.Clip * 1