Fitbit FB417 Charge 4 商品介紹
With Fitbit Charge 4, there's no limit to how far you can go. This sleek, water-resistant tracker is packed with features that help you know your workouts and your body better�like built-in GPS, Active Zone Minutes, new exercise modes and sleep tracking.
- Water resistance: 50 meters.
- Display: 1 inch, 160 x 100-pixel touchscreen.
- Contactless payment: Fitbit Pay.
- Battery life: 7 days/5 hours continuous GPS.
- Heart Rate Sensor & GPS functions