WANGFANG DT98

1. Bluetooth: 4.2 2. Waterproof: IP68 3. Craftsmanship: Zinc alloy + PC plastic 4. Screen material: PC injection + leather 5. Product adjustable minimum inner diameter: 32mm 6. Product adjustable maximum inner diameter: 65mm 7. Applicable wrist circumference range: 35-60mm 8. Total length of wristband: 248mm 9. Battery type: lithium battery 10. Charging time : around 2h 11. Battery voltage: 3.7V 12. Battery capacity: 300 mAh 13. Life time: 5 days 14. Compatible system: IOS / Android 15. Function: large memory,more than 10 dial selection, dial pad (bluetooth call), information, phone book, call records, bluetooth connection,Steps, sleep monitoring,sedentary reminder,heart rate,bluetooth music,remote photograph,notifications,calculator, Alarm clock,calendar,stopwatch,Multi-language, Alipay. 16. App language: Russian,German,Italian,Japanese,French,Simplified Chinese, English, Portuguese, Spanish very good