Usage:Personal Size:1.4"x1.4"x0.4" (3.5cmx3.5cmx0.9cm) Weight:0.28oz(8grams)w battery inside Battery life:Replaceable battery with up to 18 months Battery Type:CR2032 coin cell Waterproof Rating:IP55 Connectivity:Bluetooth5 (Compatible with Bluetooth 4.x) Device Compatibility:IOS9 or newer, Android 5.0 or new Show More...
Usage:Personal Size:1.4"x1.4"x0.4" (3.5cmx3.5cmx0.9cm) Weight:0.28oz(8grams)w battery inside Battery life:Replaceable battery with up to 18 months Battery Type:CR2032 coin Waterproof Rating:IP55 Connectivity:Bluetooth5 (Compatible with Bluetooth 4.x) Device Compatibility:IOS9 or newer, Android 5.0 or newer with Bluetooth Smart Read Color:Black Gold Customized Certificate:CE, FCC, EMC, IC, JRF, ROHS, IP55