Garmin Index Sleep Monitor Size:Small/Medium Inner Link Finish: Chrome Plated

Inner Link Finish: Chrome Plated

therefore reducing the amount of lactic acid build up and helping to improve your endurance and stamina

Ergonomic Design: Alleviates pressure on sensitive nerves

Child-Friendly Design: Lightweight half-frame build ensures all-day comfort for children aged 8–15 in sports or play

AirCell’s bistretch qualities provide elastic

Garmin Index Sleep Monitor Size:Small/Medium Inner Link Finish: Chrome PlatedSpecifications STRAP MATERIAL: Soft, stretchy, breathable mix. 70% Nylon, 30% Spandex CASE MATERIAL: Plastic PHYSICAL SIZE: Module: 41. 7 x 37. 6 x 7. 8 mm (1. 6? x1. 5? x 0. 3?) Sleep band S M: 326 x 63. 5 x 0. 55 mm (12. 8? x 2. 5? x 0. 02?) Sleep band L XL: 452 x 63. 5 x 0. 55 mm (17. 8? x 2. 5? x 0. 02?) WEIGHT: Module: 14. 5 g (0. 5 oz) Sleep band S M: 15. 8 g (0. 6 oz) Sleep band L XL: 20 g (0. 7 oz) BATTERY TYPE: Lithium ion BATTERY LIFE: 7