Product name: retractable AUX cable 
Product model: BP-E0049-GR 
Input interface: DC 3.5 male to male
Output interface: DC 3.5 male to male
Length: 1M 
Material: ABS
Shell size: 49.7*33.7mm 
Certificate: FCC, CE
Optional color: blue, red, purple, blue, black
Application: use for mobile, MP3, MP4, speaker etc.
Product description: Cable specification: 1.1 version 0.9*2.9MM 4 conductors double line; Retractable life time : >5000 times; Insulation: 2MΩ, Conduction: 5Ω, Voltage: 300V.
Packaging: Polybag