Wesoo K1 Fitness Watch : Activity Tracker Smart Band with Sleep Monitor, Smart Bracelet Pedometer Wristband with Replacement Band for iOS & Android
Black and blue band: https://www.amazon.com/dp/B074P45LFB?th=1
Black and purple band: https://www.amazon.com/dp/B074P556NM?th=1
$29.99 - $10 = $19.99 + free Prime shipping
This appears to be lowest price based on CamelCamelCamel. Could make a nice stocking stuffer!
Wesoo K1 does NOT INCLUDE HEART MONITOR feature. Track your workouts, steps, distance, calories. As well as your sleep quality metrics. Your health assistant now is on your wrist.
【DISCOVER MORE FEATURES】 Wesoo K1 fitness tracker supports date & time auto sync, sedentary alert, alarm, incoming call notification. Explore more band features in our App using any iPhone or Android phone. Replaceable wristband makes your everyday workout stylish and colorful.
【ENHANCED ACCURACY】 All-new hardware architecture enables faster processing and more accurate workout data, ineffective data filtration makes K1 activity tracker even smarter than ever.
【MAKE EASY EVEN EASIER】 Built-in USB simplifies the way you charge K1 Fitness watch, simply connect to any universal power adapter, PC or power bank without requiring particular adapter.
【WARRANTY AND SUPPORT】 Wesoo's 7*24 online support standing by, RISK FREE 100% money-back guarantee, 2-Years Replacement Warranty and life-time technical support.