Specifications: Two-way dual-unit design, its high-frequency ductility and low-frequency fade are much better than ordinary one-unit headphones. Large dynamic range, good transient response, transparent and innocent playback, rich tone, it is a good choice for listeners. Ergonomic design, wear for a long time without pain feeling. Item Name: Wired Earphone Material: TPE + Silicone Speaker Diameter: 8mm±0.2mmx2, 6mm±0.2mmx2 Speaker Impedance: 16Ω±15% Sensitivity: 98dB at 1KHz 1mW (0.179V) Distortion: ≤3%dB at 1KHz Left & Right Balance: ±3dB at 1KHz Microphone Head Size: 4mm ± 0.1mm x 1.5 ± 0.1mm (H) Microphone Head Sensitivity: -40±3dB Microphone Head Impedance: 2.2KΩ±10% Directivity: Omnidirectional Plug Type: 3.5mm, Type-C (Optional) Features: In-Ear, Ergonomic, Wired, Bass Cable Length: 1m/39.37"; (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wired Earphone 2 Pair of Eartips 1 x Cable Clamp