GPS Sport Watch with Optional Bluetooth Music Player: Optional Bluetooth headphones have contoured ear hooks, are sweat and weatherproof, last for up to 4 hours, and pair with your Spark and phone simultaneously.
Waterproof Sport Watch and Optional Heart Rate Monitor: Get accurate heart rate information on your wrist, use Multisport Mode to mix up your training. Run. Bike. Gym. Swim. Treadmill.
GPS Running Watch and Activity Tracker: Measures time, distance, speed, pace, calories burned, and sleep. Live stats, on the go.
GPS Watch with Advanced Features: The Spark is a 24/7 fitness tracker that keeps you motivated. Activate audio feedback on your performance as you workout
Activity Watch with Long Lasting Battery: Sync, store, share and study your session on your favorite apps, recharge with included USB charging cable (Long lasting battery with activity tracking up to 3 weeks, GPS tracking up to 11 hours, GPS + Music up to 5 hours)