Loop Belt Pouch Holster for fitbit one clip, fitbit flex, misfit SHINE, sony smartband swr 10, Withings Pulse o2 ox. Nike + iPod Sport Kit Sensor ONE PIECE, It fits fitbit one, fitbit flex, misfit sony smartband, Withings Pulse, sony smartband. Nike + iPod Sport Kit Sensor it can loop through most belt of up to 1.5 inch width (4cm). multi function pouch. can be used as key chain pouch, used with watch strap and leash, and on your shoes as well. pouch size: 1.18 inch X 2.25 inch X 0.8 inch (3cm X 6cm X 2 cm). it fits any tracker up to 20 mm wide X 47 mm tall X 10 mm thick only pouch (no key chain ring, NO leash watch strap, no tracker included.) special design LOW WEIGHT- Durable nylon pouch for fitness tracker, convenitent to use