Fitbit Charge 2 Heart Rate + Fitness Wristband, Teal, Small (US Version)

Product Description Make every beat count with Fitbit Charge 2—the heart rate and fitness wristband built for all-day, workouts and beyond. Pure Pulse continuous heart rate makes it easy to maximize workouts, better track calorie burn and get a snapshot of your cardio fitness level, while all-day activity and auto sleep tracking, lets you see how your whole routine adds up. Record your workouts with multi-sport modes to see real-time workout stats on screen, or rely on Smart Track to automatically record select exercises for you. The large OLED display helps you stay connected with call, text and calendar alerts, stay active with Reminders to Move, and find moments of calm with guided breathing sessions. Plus, you can find a look that fits your style with customizable clock faces and interchangeable bands. Sync wirelessly and automatically to 200+ iPhone, Android and Windows devices, and with more advanced features in a sleeker package and a battery life of up to 5 days, it’s the motivation you need to push yourself further—every step, every beat, every day. Syncing range: Up to 30 feet. Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync. Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.4 and later, and Windows 10 devices.

ASIN

B01L6RE7Z4

Embedding

CLIP ViT-L/14 · 768d

Distance metric

cosine

Doc fetch

2ms·cache hitGET /v2/namespaces/amazon-products/documents/B01L6RE7Z4

How it works

Similar query

46msnearest_to_id → /query

Doc fetch goes through Layer's Aerospike pull-through cache; cache hit served the row without touching turbopuffer. The similar query asks Layer for nearest neighbors of the stored product vector — queries don't go through the doc cache, so no cache header is set.