12mah for small size,20mAh for big size
Standby 7-10 days, Use 3-5 days, Charging 1hr
HX3918true heart rate, true blood oxygen
DArings
Gold, Black, Silver
7-12 size (18-21.5mm)
Bluetrum
128K
IP68
APP: DArings
CPU: bluetrum, ultra-low power consumption, more durable
Product dimension: 18.2,19,19.9,20.6,21.5MM
Thickness: 2.7mm
Color: Gold, Black, Silver
Battery: 12mah for small size,20mAh for big size
BT: 5.1
Memory: 128K
Heart rate sensor: HX3918true heart rate, true blood oxygen
Charging method: Magnetic charging with a charging cable
Charging time: 1 hour
Standby time: 7-10 days
Usage time: 3-5 days
Water resistance: IP68
Packing box size: 90 x 80 x 36MM
Single packing weight: 98g
Carton size: 50pcs/ctn: 44*21.6*22cm, G.W.: 7.3kg
Product Function:
Heart rate, blood oxygen, HRV physiological cycle data synchronization APP: Supports
Exercise: mileage, calorie steps
Sleep: Total sleep, deep and shallow sleep time, data.
APP supports languages: multiple languages
15-30 days