1. CPU: BluetrumB06ZK 2. BT version: BT2.1+EDR+BLE5.0 3. Flash: 8Mbit+128Mbit 4. Screen size: 1.75 inch TFT LEC screen 5. Resolution: 320*320 6. Battery capacity: 230mAh 7. Standby time: 15-30 days 8. Battery life: 7-10 days 9. Charging method: wireless charging 10. Material: stainless steel shell + electroplating + ABS + IML + silicone 11. Supported mobile phone version: IOS5.0 and above, Android 4.0 and above 12. Supported languages: English, Simplified Chinese, Portuguese, Persian, Hebrew, Russian, Turkish, Dutch, Thai, Vietnamese, Indonesian, Malay, Filipino, Arabic, Italian, Polish, Spanish, French, Greek, Hungarian, Czech, Ukrainian, French 13. Function: 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. 14. Dimensions: 45x38x10.9mm