The Amazon Bonus Deal is for the Lumo Lift for iOS – Posture and Activity Tracker – for $69.99 — 30% off.

Tracks posture, steps, distance, and calories burned
Vibrations from sensor gently remind you to sit straight and stand tall to help you look and feel your best
Syncs wirelessly with iOS: Works with iPhones, iPads, and iPods with Bluetooth 4.0
Lightweight and discreet: wear it as a fashion accessory or hide it under clothes