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Nowadays there is a great variety of Bluetooth headsets to choose from the market. Many of them are rich in shapes and reflect a strong sense of technology, which may not be a good choice for a lady wearing evening dress at the banquet. On the other hand, today’s technology has been able to shrink the electronic components of Bluetooth to be placed into a Φ22mm ball. As a result, the earring Bluetooth headset has emerged for such women.
Wuhan University of technology