Fitbit Charge 4 – Activity Tracker GPS + Heart Rate – Rosewood – FB417BYBY

The Fitbit Charge 4 – Rosewood (FB417BYBY) is a sleek, swimproof fitness and activity tracker equipped with built-in GPS, and advanced sleep tools. Designed for daily fitness tracking and goal achievement, the Charge 4 delivers real-time pace and distance tracking, Active Zone Minutes, and smartphone notifications, all packed into a lightweight, stylish design that blends functionality with fashion.

Key Features

• Built-in GPS for real-time pace and distance

• Sleep stages and sleep score with Smart Wake alarm

• Spotify control (when phone is nearby)

• Swimproof (water-resistant to 50 meters)

• Smartphone notifications and app alerts

• Fitbit Pay for contactless payments

• Up to 7-day battery life

• Lightweight, comfortable design with flexible wristband

Product Specifications

Display:

• Type: Grayscale OLED touchscreen

• Interface: Touch and tap

Performance:

• Battery Life: Up to 7 days (varies with use and GPS)

• Charge Time:  2 hours

• GPS Use: Up to 5 hours

Smart Features:

• Call, text & app notifications (when phone is nearby)

• Calendar alerts

• Music control via Spotify

• Fitbit Pay

• Do Not Disturb mode

Fitness Tracking:

• Cardio Fitness Level (VO2 Max estimate)

• All-day Activity Tracking (steps, distance, calories)

• Sleep Score and Stages

• Guided Breathing Sessions

• Goal-Based Exercise Modes

• Female Fitness Tracking

Water Resistance:

• 50 meters

Bands & Materials:

• Band Size: Small and Large included

• Material: Flexible silicone with aluminum buckle

• Color: Rosewood

Compatibility:

• Works with iOS 12.2+, Android 7.0+, and Bluetooth

Dimensions:

• Device length: 35.8mm

• Width: 22.7mm

• Thickness: 12.5mm

Weight:

• Lightweight (exact grams not specified)

Model Number:

• FB417BYBY

What’s in the Box

• Fitbit Charge 4 Tracker – Rosewood

• Classic wristbands (both Small & Large)

• Charging cable