APP: Lefun APP

CPU (main control): Bluetrum

Product dimension: 18,19,20,21.5mm

Color: Gold, Black, Silver

Memory: 128K

Heart rate sensor: HX3918true heart rate, true blood oxygen

Pedometer (step count): Silanwei (SC7A20E)

Bluetooth: BLE single antenna

Battery: 12mah for small size,20mAh for big size

Standby time:>15 days

Usage time: 5-15 days(different CPU)

Charging type: Magnetic Charger

Water resistance: IP68

Android compatibility: Supports Android 5.0 and above

IOS compatibility: Supports IOS 10.0 and above

Packing box size: 75 x 75 x 44MM

Single packing weight: 69g

Carton size: 50pcs/ctn: 44*21.6*22cm, G.W.: 7.3kg

Product Function:

Pace, mileage, calories, exercise

Sleep monitoring: Support

Heart rate monitoring: Support

Women's Health: Support

Blood oxygen monitoring: Support

Shake it and take a picture: Support

Remote upgrade: Support

Data sync: Support

APP support language: English, Chinese, Arab, Polish, Persian, German, Russian, French, Malay, Portuguese, Thai, Turkish, Spanish, Greek, Italian, Indonesian, Korean, Vietnamese, Hebrews, Vietnam, Czech, Dutch, Denmark, Ukraine, Hungary, Slovakia, Japanese, Finland, Norway, Sweden, Serbia, Latin.