• 1 year battery life no recharging needed. The display size is 0.39 x 0.39 inches
• 24/7 wearability swim friendly with 5 ATM water resistance. Display resolution 64 x 64 pixels
• Kid tough easy to put on, the 1 size fits most, nonstaining, 1 piece band stretches over your child’s hand and fits comfortably
• Ages 4—9 years; Bands: Regular size accommodates wrists up to 145 mm; X large fits wrists 146 170 mm. vívofit 3 bands are compatible. Physical dimensions: Circumference 5.4 inches"
• Compatible parent mobile app free app includes fun and educational mobile adventures for kids and chore/behavior management for parents; OS compatible Android 4.4 and above with Bluetooth 4.0 or greater or iPhone OS version 9.1 and above. Refer user manual for troubleshooting steps

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