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Building 175, Second District, Gaoao New Village, Longhua New District, Shenzhen, Guangdong, China (Mainland)
One side double Dynamic driver wired earphone headphones, super good bass in ear earphone with dynamic driver speaker, US $ 3 - 5 / Piece, Hongsound, WE18, In-ear.Source from Shenzhen Hongsound Electronic Co., Ltd. on Waimaotong.com.