Photo 1 of B9 Smart Bracelet Bluetooth Earphone Answer Call Voice Control Smart Band Heart Rate Fitness Tracker Sport Watch IP67 Waterproof

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Photo 1 of B9 Smart Bracelet Bluetooth Earphone Answer Call Voice Control Smart Band Heart Rate Fitness Tracker Sport Watch IP67 WaterproofPhoto 2 of B9 Smart Bracelet Bluetooth Earphone Answer Call Voice Control Smart Band Heart Rate Fitness Tracker Sport Watch IP67 WaterproofPhoto 3 of B9 Smart Bracelet Bluetooth Earphone Answer Call Voice Control Smart Band Heart Rate Fitness Tracker Sport Watch IP67 Waterproof