1. CPU: Fr5082 2. BT version: BT2.1+EDR+BLE5.2 3. Flash: 8Mbit+256Mbit 4. Screen size: 1.9 inch TFT LCD screen 5. Resolution: 320*390 6. Battery capacity: 380mAh 7. Standby time: 15-30 days 8. Battery life: 7-10 days 9. Charging method: wireless charging 10. Supported mobile phone version: IOS5.0 and above Android 4.0 and above 11. Supported languages: English, Simplified Chinese, Italian, Portuguese, Polish, Spanish, French, Greek, Persian, Hungarian, Czech, Russian, Turkish, Dutch, German, Thai, Vietnamese , Indonesian, Malay, Filipino, Arabic, Finnish 12. Functions: Bluetooth dialing, Bluetooth music, Bluetooth voice, Bluetooth information, remote photo, find mobile phone, step counting, multi-sport mode, sleep monitoring, sedentary reminder, drinking water reminder, weather forecast, stopwatch, calculator, alarm clock, Flashlight, Calendar, etc. 13. Material: zinc alloy + electroplating + ABS + IML + silicone 14. Dimensions: 45x38x10.9mm