LED Double Multiple 30X 60X Jewelers Eye Loupe Lens Magnifier Magnifying Glass Cleaning Supplies It supports heart rate monitoring

It supports heart rate monitoring

do not rule out the error of about 3cm

Easy to use: Just wipe the detergent evenly on the glass after cleaning it

1x 8 Pin to SD Card Reader (SD card not included)

Packing type: Color box packing

LED Double Multiple 30X 60X Jewelers Eye Loupe Lens Magnifier Magnifying Glass Cleaning Supplies It supports heart rate monitoringLED Double Multiple 30X 60X Jewelers Eye Loupe Lens Magnifier Magnifying Glass Specification: Material: Aluminum alloy cover, ABS frame, optical glass lens Magnification: 30X, 60X Two Lens: Primary lens: 30x22mm Supplementary lens: 60x12mm Size: about 45x35x20mm Color: Sliver Net Weight: 35g Illumination: LED light Push Switch to Turn On Off On two LED light Power Supply: 3 x LR1130 batteries (batteries Include) Features: 1. Optical glass lens