1. Bluetooth version: Bluetooth 4.0
2. Compatible system: IOS 8.0 and above, Android 4.4 and above
3. Control: touch control
4. Main functions: step counting, calorie consumption, distance, step count, automatic sleep monitoring, incoming call vibration reminder (caller ID/person name display), information display, alarm clock reminder, anti-lost mobile phone, remote 86 photos, etc.
5. Screen size: 0.86" OLED
6. Battery capacity: 60mAh polymer lithium battery
7. Waterproof rating: IP67 (waterproof, sweatproof, rainproof, splashproof)