Material: Aluminum Alloy + Braided Cable Weight: About 5.8g Size: 138*11*8mm Extended Port: 3.5mm Earphone Female Connector Earphone Impedance: 32Ω Frequency Range: 20Hz~20KHz SNR: 90dB Compatible Devices: For digital devices with Type-C port Note: If the laptop/tablet/phone comes with a 3.5mm earphone female connector, the 3.5mm earphone female connector of this product may not support the call function Feature: ① Type-C to 3.5mm interface, easy to use. ② Independent audio decoding, good sound quality. ③ Support listening/calling/cable controlling. ④ Compact design, lightweight and portable.