Yinyoo KBEAR F1 Single Balaced Armature Driver Inear Earphones 1 BA Noise Isolation Clear Sound Bud Earphones Earbud Headphones with Removable MMCX Connection Cable(Black no mic)

Product features? Model: KBEAR F1 Type: In ear Driver: 1 Bellsing Balanced Armature Driver Impedance: 22? Frequency Response: 20-20KHz Sensitivity: 105±2 db Max Input Power: 10mW Earhook: Pre-shaped Interface: Gold-plated MMCX Cable Material: Copper Cable Audio Jack: Stereo 3.5mm L shape Cable Length: 120±5 cm (47.24 ± 1.97 inch) Earphone Material: Resin Notice: 1. Please lower music volume before connecting earphones with audio devices to avoid earbud's diaphragm damage. and suggested to have a rest for a few minutes after every two hours?it will be better for hearing. 2. If you have any questions/problems with your purchased, pls feel free to contact our customer service, we will reply you within 24 hours and provide help. 3. Yinyoo Audio have the Formal authorization from KBEAR Company , All products in Yinyoo Audio are original.