W4 smart phone bracelet machine configuration:

Band size: 260mm*20mm*2.3mm
Body size: 44mm*36mm*9.8mm
Product weight: net weight 67g, gross weight 138g
Screen size: 1.3inch
Resolution: 240*240
Touch form: full touch
Assembly type: G+F full fit
Battery capacity: 170mAh
Material of top cover: 2.5d toughened glass
Body material: zinc alloy
Material of buckle: aluminum alloy
Strap material: TPU

Android version; More than 4.4

Version of apple system: above 8.4, above 5S

APP name: Wearfit2.0
Charging method: clip charging

Software functions:

Time display, steps, calories, distance, movement patterns, raised my hand against the bright screen, sleep monitoring, running track, phone calls reminding, message to remind, sedentary reminds, the alarm clock to remind, weather warning, shake pictures, find bracelets, dial switch, dial, integral point measurement, WeChat movement in both English and Chinese, heart rate, blood pressure, blood oxygen, apple health, health weekly, bluetooth name and so on

WearFit 2.0 support languages:
Andriod: English, Czech, German, Spanish, French, Italian, Japanese, Korean, Portuguese Russian, Thai, simplified Chinese, traditional Chinese. 
Ios: English, simplified Chinese, traditional Chinese, Japanese, Korean, Spanish, German, French, Portuguese, Italian, Russian, polish.
 
Bracelet support language:
Andriod: simplified Chinese, traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Czech, Russian, Portuguese.
Ios: simplified Chinese, traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Czech, Russian, Portuguese.