Screen size: 1.25 inches

Battery capacity: 240 Mah

Waiting time: 12 months

Material: TPU

Band of material: TPU

Compatible operating system: Android, IOS

Compatibility: Android 4.3 / iOS 7.0 systems and above

Note: we suggest you do not use it when swimming. But if you are going to swim or dive, do not press any button underwater.