Product name: BT-26 stereo headset Speaker outer diameter: 10mm Sensitivity: 105dB±5dB Speaker impedance: 32Ω Response range: 20-12000hz Signal to noise ratio: 60dB±3dB Plug: 3.5mm Cable length: about more→120cm Gross weight: about 12g Product features: custom-driven speaker unit, no distortion of sound quality, restoration of sound details, full and powerful sound quality, in-ear design, no pain when wearing close to the ear, built-in noise reduction microphone, support for high-definition calls, wire control adjustment, classic simple and atmospheric appearance, 3.5mm universal Plug, support more devices to use. Label: Yes