Garmin Index Sleep Monitor อุปกรณ์วัดคุณภาพการนอนหลับและฟื้นตัว

Size S—M: Fits upper-arm circumferences of 20-29 cm (8.0”–11.7”) L—XL: Fits upper-arm circumferences of 26-42 cm (10.5”–16.6”) Sleep score and insights   Pulse Ox blood oxygen   Water rating: 5 ATM [[ General ]] Strap material   Soft, stretchy, breathable mix. 70% Nylon, 30% Spandex Case material  plastic Physical size   Module: 1.6" x 1.5" x 0.3" (41.7 x 37.6 x 7.8 mm) Sleep Band S-M: 12.8" x 2.5" x 0.02" (326 x 63.5 x 0.55 mm) Sleep Band L-XL: 17.8" x 2.5" x 0.02" (452 x 63.5 x 0.55 mm) [[ Weight ]]    Module: 0.5 oz (14.5 g) Sleep Band S-M: 0.6 oz (15.8 g) Sleep Band L-XL: 0.7 oz (20.0 g) Battery type: Lithium ion [[ Battery life ]]   7 nights with SPO2 during typical usage (8 hours of sleep) Charging method  Garmin proprietary plug charger