1. Small sized, delicate outlook
2. Clear video taking
3. Supporting 4G SD card
4. Hand-free, suitable for use in sports like swimming, riding, hunting, surfing, boating
5. Can easily be mounted on helmet, bike, boat, or anywhere else
6. Power by 2*AA battery, easy change
7. Waterproof under 3m deep water, especially suitable for swimming, surfing, underwater photographing or other water game
8. Can work as webcamera
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