US$ 28.00
*Sleep quality assessment is dependent on the movement of your wrist instead of heart rate measurement
7 LED light
Inclination/Loft 15 (No
and cash compartmentColors: Black
anti-interference
Internal Measuring Micrometer Model:5 30 *Sleep quality assessment is dependentModel 5 30, 25 50, 50 75, 75 100 Measuring range 5 30*100(mm) Type inner diameter micrometer
US$ 28.00
US$ 134.99
US$ 18.00
US$ 57.80