Razer NABU Smartband medium/large never used. Never opened the box, seal never broken. Has a private message screen, fitness activity, quality sleep tracking, 6-day battery life, phone remote control, and social communication. Amazon is selling this same model for $80 plus tax, the cheapest I saw ebay sell it was for $70. And I am selling for only $40, the only reason I am selling is because it does not fit.
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