Tiny Deal offers the Xiaomi Miband Bluetooth Smart Bracelet for Mobile Devices in Black, model no. WWT-364568, for $16.31. Coupon code "MIBANDS12OFF" cuts it to $15.52. With free shipping, that's the lowest total price we could find by $4, although we saw it for a buck less last month. It records calorie consumption and walking distance, and features automatic sleep monitoring, smart vibration alarm clock, and phone call reminders. It's also compatible with iOS 7 and above or Android 4.4 and above.