<ul><li>Aviation aluminum alloy with resin ultra-light material-light and durable.</li><li>New mini ergonomic cavity-extremely-comfortable to wear.</li><li>Deposited Nano-Carbon dynamic coil & Knowles 33518 unit, high audio reproduction.</li><li>127um OCC silver-plated mmcx wire has higher resolution.</li><li>Warranty and 24/7 SupportJust reach us for anything and we will get back to you within 24 hours. We offer one-year warranty of in ear headphones without doubt, question or problem. Contact us, we will try our best to help you.</li></ul> Brand: KEEPHiFi Model Name: IKKO OH1s Driver unit: Hybrid Knowles 33158+Deposited Nano-carbon Dynamic Driver Frequency response: 20Hz-40KHz Sensitivity: 1093dB Impedance: 32 Plug type: 3.5mm Interface: 2Pin 0.78mm Wire length: 1.2m Shell material: aviation aluminum alloy Cable type: 28*127um OCC Cable Wearing method: Ear-hook(detachable)

keephifi in-Ear Monitors IKKO OH1s Earphones, Deposited Nano-Carbon Dynamic Driver+Knowles 33158 Balanced Armature Headphones with 2Pin 3.5mm Detachable Cable (Blue)

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