1, 10 years charger experence 2, High quality 3, Competitive price PRODUCT  NAME:  Mobile Phone HandsfreeITEM     Number:  GLOHF075Model    Number:  FOR Iphone 3GS/4GSMINI    QUANTITY:  500PCS/each modelSPECIFICATION:1,Mobile phone handsfree for Iphone 3GS/4GS original Type.2,OEM available, Can make all kinds of model.3,Impedance: 32Ω ± 15%4,Receiving sensitivity: 113 ± 3dB5,Frequency Response: 20Hz – 20 KHz6,Speaker: 6U7,Rated Power:60mW8,Power capacity:60Mw9,Cable Length:115 ± 15cm10,Cable:PVC Cable.11,Packing Details:Plastic packing or Poly bag packing. We are Professional OEM & ODM factory for 10 years, We handling Charger, Battery, Handsfree, Flex, Display, Speaker, Data Cable….,Good quality is best.We have confidence of our products 

Mobile Phone Handsfree FOR Iphone 3GS/4GS