Nylon Night Sports LED Light Armband Light Bracelet, Battery Version Blue, USB Charging Version Blue, Battery Version Green, Battery Version Colorful, USB Charging Version Orange Option:Battery Version Blue The built-in pen tray makes

The built-in pen tray makes storage more convenient

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keeping your toddler snug and secure throughout the ride

Operating System: WIN7/Windows 2000/XP/Vista MAC OS Version 10

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Nylon Night Sports LED Light Armband Light Bracelet, Battery Version Blue, USB Charging Version Blue, Battery Version Green, Battery Version Colorful, USB Charging Version Orange Option:Battery Version Blue The built-in pen tray makes1. Full length: 35cm. 2. Perimeter: 29cm. 3. Width: 2. 5cm. 4. Individual weight: 30g. 5. Material: Nylon webbing with LED electronics. 6. Blinking mode: constant light, fast flash, slow flash, off (4 modes are controlled by switch). 7. Battery: 2 LIR2032 35mAh 3. 6V button batteries (button type rechargeable lithium ion batteries). 8. Battery type: 60 hours of light time and 2 3 months of normal use. The battery can be replaced by yourself. It is