Use the Ace Power Purple to accurately track your daily movement and analyse your overall health. Complete with a sleep tracker, it allows you to personalise your sleep schedule. It has a five-day battery life, making it perfect for lengthy biking trips.

• Tracks your child's daily steps and active minutes.
• Acknowledges goals and milestones with fun celebration messages and badges.
• With customisable step and active minute goals, Fitbit Ace gets kids moving and makes it fun!
• From puddle jumping to lunchtime spills, Ace can handle whatever your child gets into.
• Children can stay motivated by challenging others to step competitions in the Fitbit app.
• Ace tracks your child's sleep duration, sheds light on their ZZZ's and encourages good bedtime habits.
• Manufacturer Warranty: 12 months

Which phones and tablets can I use with my Fitbit watch or tracker:
https://help.fitbit.com/…article/2315