Features Wired earbuds that are presented in a smart carry case Choice of three different bud sizes Specifications Name Description Sound Output 3mW (per earbud) Audio Input 3.5mm Headphone Jack Driver Sensitivity 95 +/-v3db Dynamic Frequency Response Range 20Hz-20K Hz Impedance (ohms) 32 +/- 15% Wire Length 130cm Country Of Origin China Colours White, Black Dimensions Gift box: L 68mm x W 68mm x 18mm. Materials Component Material Cable Jacket Polyvinyl Chloride (PVC) Earbuds Acrylonitrile Butadiene Styrene (ABS) | Polyvinyl Chloride (PVC) Carry Case Acrylonitrile Butadiene Styrene (ABS) | Polystyrene (PS) Wired earbuds that are presented in a smart carry caseChoice of three different bud sizesSound Output: 3mW (per earbud)Audio Input: 3.5mm Headphone JackDriver Sensitivity: 95 +/-v3dbDynamic Frequency Response Range: 20Hz-20K HzImpedance (ohms): 32 +/- 15%Wire Length: 130cmCountry Of Origin: ChinaCable Jacket: Polyvinyl Chloride (PVC)Earbuds: Acrylonitrile Butadiene Styrene (ABS) | Polyvinyl Chloride (PVC)Carry Case: Acrylonitrile Butadiene Styrene (ABS) | Polystyrene (PS)